https://hvacdirect.store/products/filter-king-13x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-29-5-x-75-fk13x30x1-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x30x1-M8-4.jpg?v=1767770993 Filter King 13x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 29.5 x .75″ – FK13x30x1-M8-4 Filter King 13x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 29.5 x .75″ – FK13x30x1-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-34-5-x-75-fk4-5-34-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x34.5x1A-M8-4_1.jpg?v=1767771022 Filter King 4.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 34.5 x .75″ – FK4.5×34.5x1A-M8-4 Filter King 4.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 34.5 x .75″ – FK4.5×34.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x25x1-air-filter-4-pack-carbon-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-24-5-x-75-fb10x25-1 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X25-1.jpg?v=1767771120 Filter King 10x25x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x .75″ – FB10X25 -1 Filter King 10x25x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x .75″ – FB10X25 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-43-5-x-75-fk7-5-43-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x43.5x1A-M8-4.jpg?v=1767771261 Filter King 7.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 43.5 x .75″ – FK7.5×43.5x1A-M8-4 Filter King 7.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 43.5 x .75″ – FK7.5×43.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-20-5-x-0-75-fk16-5-20-5-1-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x20.5x1-M8-4.jpg?v=1767771286 Filter King 16.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 20.5 x 0.75″ – FK16.5×20.5×1-M8 -4 Filter King 16.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 20.5 x 0.75″ – FK16.5×20.5×1-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x22x1-air-filter-4-pack-carbon-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-21-5-x-75-fb22x22-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB22X22-4.jpg?v=1767771421 Filter King 22x22x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75″ – FB22X22 – 4 Filter King 22x22x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75″ – FB22X22 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-12-x-75-fk21x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_6f184531-6c56-410d-8bc6-8440cb63429a.jpg?v=1767771545 Filter King 21x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12 x .75″ – FK21x12x1A-M8 -4 Filter King 21x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12 x .75″ – FK21x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-18-5-x-75-fk19-5-18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x18.5x1A-M8-4-1.jpg?v=1767771551 Filter King 19.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 18.5 x .75″ – FK19.5×18.5x1A-M8 – 4 Filter King 19.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 18.5 x .75″ – FK19.5×18.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-36-5-x-75-fb22x37-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB22X37-4.jpg?v=1767771566 Filter King 22x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36.5 x .75″ – FB22X37 -4 Filter King 22x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36.5 x .75″ – FB22X37 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-20-x-75-fk4-5x20x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x20x1A-M8-4.jpg?v=1767771612 Filter King 4.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 20 x .75″ – FK4.5x20x1A-M8-4 Filter King 4.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 20 x .75″ – FK4.5x20x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-49-x-75-fk8-5x49x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x49x1A-M8-4.jpg?v=1767771784 Filter King 8.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 49 x .75″ – FK8.5x49x1A-M8-4 Filter King 8.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 49 x .75″ – FK8.5x49x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-39-x-75-fk20x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x39x1A-M8-4-1.png?v=1767771990 Filter King 20x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 39 x .75″ – FK20x39x1A-M8 – 4 Filter King 20x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 39 x .75″ – FK20x39x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-61-x-75-fk19-5x61x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_890b9bb9-6708-4dd2-9ffe-03f1d1588f1d.avif?v=1767772005 Filter King 19.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 61 x .75″ – FK19.5x61x1A-M8 -4 Filter King 19.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 61 x .75″ – FK19.5x61x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-55-x-75-fk4x55x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x55x1A-M8-4.jpg?v=1767772013 Filter King 4x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 55 x .75″ – FK4x55x1A-M8-4 Filter King 4x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 55 x .75″ – FK4x55x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-13-5-x-75-fk24x13-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_56de1d5c-4c04-48b1-b5a7-bfabeb96ddf2.jpg?v=1767772359 Filter King 24×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13.5 x .75″ – FK24x13.5x1A-M8 -4 Filter King 24×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13.5 x .75″ – FK24x13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-31-x-75-fk12-5x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x31x1A-M8-4.jpg?v=1767772375 Filter King 12.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 31 x .75″ – FK12.5x31x1A-M8-4 Filter King 12.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 31 x .75″ – FK12.5x31x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-25-5-x-75-fk18x25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x25.5x1A-M8-4-1.png?v=1767772385 Filter King 18×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 25.5 x .75″ – FK18x25.5x1A-M8 – 4 Filter King 18×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 25.5 x .75″ – FK18x25.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-23-5-x-75-fb10x24-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X24-4.jpg?v=1767772430 Filter King 10x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FB10X24 – 4 Filter King 10x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FB10X24 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-52-5-x-75-fk6-5-52-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x52.5x1A-M8-4.jpg?v=1767772529 Filter King 6.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 52.5 x .75″ – FK6.5×52.5x1A-M8-4 Filter King 6.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 52.5 x .75″ – FK6.5×52.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-12-x-75-fk19x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x12x1A-M8-4.jpg?v=1767772692 Filter King 19x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12 x .75″ – FK19x12x1A-M8-4 Filter King 19x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12 x .75″ – FK19x12x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-42-5-x-75-fk6-5-42-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x42.5x1A-M8-4.jpg?v=1767772701 Filter King 6.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 42.5 x .75″ – FK6.5×42.5x1A-M8-4 Filter King 6.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 42.5 x .75″ – FK6.5×42.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-43-5-x-75-fk27-5-43-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x43.5x1A-M8-4-1.png?v=1767772787 Filter King 27.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 43.5 x .75″ – FK27.5×43.5x1A-M8 – 4 Filter King 27.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 43.5 x .75″ – FK27.5×43.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-42-5-x-75-fk23-5-42-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x42.5x1A-M8-4.avif?v=1767772820 Filter King 23.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 42.5 x .75″ – FK23.5×42.5x1A-M8-4 Filter King 23.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 42.5 x .75″ – FK23.5×42.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-17-5-x-75-fk7-5-17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x17.5x1A-M8-4.jpg?v=1767772830 Filter King 7.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 17.5 x .75″ – FK7.5×17.5x1A-M8-4 Filter King 7.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 17.5 x .75″ – FK7.5×17.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-36-5-x-75-fk23x36-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_dd2b1bb0-3d81-46ba-89fe-17bb7e08f994.avif?v=1767772881 Filter King 23×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 36.5 x .75″ – FK23x36.5x1A-M8 -4 Filter King 23×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 36.5 x .75″ – FK23x36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-13-5-x-75-fk25-5-13-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x13.5x1A-M8-4.jpg?v=1767772980 Filter King 25.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 13.5 x .75″ – FK25.5×13.5x1A-M8-4 Filter King 25.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 13.5 x .75″ – FK25.5×13.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-39-5-x-75-fk16x39-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x39.5x1A-M8-4.jpg?v=1767773148 Filter King 16×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 39.5 x .75″ – FK16x39.5x1A-M8-4 Filter King 16×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 39.5 x .75″ – FK16x39.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-38-5-x-75-fk29x38-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_af1ab5c1-f294-4c66-af95-42154ae93953.jpg?v=1767773263 Filter King 29×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 38.5 x .75″ – FK29x38.5x1A-M8 -4 Filter King 29×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 38.5 x .75″ – FK29x38.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-54-5-x-75-fk28-5-54-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x54.5x1A-M8-4-1.jpg?v=1767773279 Filter King 28.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54.5 x .75″ – FK28.5×54.5x1A-M8 – 4 Filter King 28.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54.5 x .75″ – FK28.5×54.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-50-x-75-fk4-5x50x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x50x1A-M8-4.jpg?v=1767773481 Filter King 4.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 50 x .75″ – FK4.5x50x1A-M8-4 Filter King 4.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 50 x .75″ – FK4.5x50x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-49-x-75-fk20x49x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x49x1A-M8-4-1.png?v=1767773724 Filter King 20x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 49 x .75″ – FK20x49x1A-M8 – 4 Filter King 20x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 49 x .75″ – FK20x49x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-17-5-x-75-fk16x17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x17.5x1A-M8-4.jpg?v=1767773795 Filter King 16×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 17.5 x .75″ – FK16x17.5x1A-M8-4 Filter King 16×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 17.5 x .75″ – FK16x17.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-44-5-x-75-fk26x44-5x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_9e8f29b5-3f86-42c3-92d5-a0f05a34e684.png?v=1767773805 Filter King 26×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 44.5 x .75″ – FK26x44.5x1A-M8 Filter King 26×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 44.5 x .75″ – FK26x44.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-5-x-75-fk21-5x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x5x1A-M8-4.avif?v=1767773901 Filter King 21.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 5 x .75″ – FK21.5x5x1A-M8 -4 Filter King 21.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 5 x .75″ – FK21.5x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-49-5-x-75-fk15x49-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x49.5x1A-M8-4.avif?v=1767774058 Filter King 15×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 49.5 x .75″ – FK15x49.5x1A-M8-4 Filter King 15×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 49.5 x .75″ – FK15x49.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-18-5-x-75-fk30-5-18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x18.5x1A-M8-4-1.jpg?v=1767774141 Filter King 30.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 18.5 x .75″ – FK30.5×18.5x1A-M8 – 4 Filter King 30.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 18.5 x .75″ – FK30.5×18.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-18-5-x-75-fk20-5-18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_1460550d-352f-4b12-90fd-ddc07260123b.jpg?v=1767774201 Filter King 20.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 18.5 x .75″ – FK20.5×18.5x1A-M8 -4 Filter King 20.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 18.5 x .75″ – FK20.5×18.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-19-5-x-75-fb17x20-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB17X20-4_acdee207-2ed6-427a-b8a8-12786948c254.jpg?v=1767774211 Filter King 17x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75″ – FB17X20 -4 Filter King 17x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75″ – FB17X20 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-49-5-x-75-fk25-5-49-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x49.5x1A-M8-4-1.jpg?v=1767774445 Filter King 25.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 49.5 x .75″ – FK25.5×49.5x1A-M8 -4 Filter King 25.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 49.5 x .75″ – FK25.5×49.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-47-5-x-75-fk7-5-47-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x47.5x1A-M8-4.jpg?v=1767774453 Filter King 7.5×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 47.5 x .75″ – FK7.5×47.5x1A-M8-4 Filter King 7.5×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 47.5 x .75″ – FK7.5×47.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-25-x-75-fk30-5x25x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_ccce84ad-6467-4c37-bb9d-2390a22ab20b.jpg?v=1767774577 Filter King 30.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 25 x .75″ – FK30.5x25x1A-M8 -4 Filter King 30.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 25 x .75″ – FK30.5x25x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-16-x-75-fk21x16x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x16x1A-M8-4-1.jpg?v=1767774778 Filter King 21x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16 x .75″ – FK21x16x1A-M8 -4 Filter King 21x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16 x .75″ – FK21x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-13-5-x-75-fb10x14-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X14-4.avif?v=1767774949 Filter King 10x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x .75″ – FB10X14-4 Filter King 10x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x .75″ – FB10X14-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-26-5-x-75-fk24x26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_a082fbd5-01c5-4f1a-aa05-b1de410e4d3b.jpg?v=1767775118 Filter King 24×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26.5 x .75″ – FK24x26.5x1A-M8 -4 Filter King 24×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26.5 x .75″ – FK24x26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-31-x-75-fk16x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x31x1A-M8-4.jpg?v=1767775128 Filter King 16x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 31 x .75″ – FK16x31x1A-M8-4 Filter King 16x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 31 x .75″ – FK16x31x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-54-5-x-75-fk28-5-54-5x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x54.5x1A-M8-4-1_b593e19d-eae7-4589-8418-cada1b40d880.jpg?v=1767775164 Filter King 28.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54.5 x .75″ – FK28.5×54.5x1A-M8 – 4 Filter King 28.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54.5 x .75″ – FK28.5×54.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-25-x-75-fk28-5x25x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2825.png?v=1767775434 Filter King 28.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 25 x .75″ – FK28.5x25x1A-M8 -4 Filter King 28.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 25 x .75″ – FK28.5x25x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-27-x-75-fk20-5x27x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x27x1A-M8-4.jpg?v=1767775481 Filter King 20.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 27 x .75″ – FK20.5x27x1A-M8 -4 Filter King 20.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 27 x .75″ – FK20.5x27x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-12-x-75-fk15x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x12x1A-M8-4.jpg?v=1767775492 Filter King 15x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 12 x .75″ – FK15x12x1A-M8-4 Filter King 15x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 12 x .75″ – FK15x12x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-34-x-75-fk18x34x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x34x1A-M8-4-1.jpg?v=1767775524 Filter King 18x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34 x .75″ – FK18x34x1A-M8 -4 Filter King 18x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34 x .75″ – FK18x34x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-22-5-x-75-fk19x22-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_8a6066c7-c378-436e-a46a-d581ff29f35b.avif?v=1767775542 Filter King 19×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 22.5 x .75″ – FK19x22.5x1A-M8 -4 Filter King 19×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 22.5 x .75″ – FK19x22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-47-x-75-fk8-5x47x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x47x1A-M8-4.jpg?v=1767775787 Filter King 8.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 47 x .75″ – FK8.5x47x1A-M8-4 Filter King 8.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 47 x .75″ – FK8.5x47x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-65-x-75-fk26x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x65x1A-M8-4.jpg?v=1767775832 Filter King 26x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 65 x .75″ – FK26x65x1A-M8 -4 Filter King 26x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 65 x .75″ – FK26x65x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-25-x-75-fk28-5x25x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2825_8fd5b76a-fb76-4ffc-abad-bbdc0d5128c4.png?v=1767775861 Filter King 28.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 25 x .75″ – FK28.5x25x1A-M8 -4 Filter King 28.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 25 x .75″ – FK28.5x25x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-41-x-75-fk24x41x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_26201fe6-7959-4904-b266-c747097c7500.jpg?v=1767775890 Filter King 24x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 41 x .75″ – FK24x41x1A-M8 -4 Filter King 24x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 41 x .75″ – FK24x41x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-28-5-x-75-fk17x28-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x28.5x1A-M8-4-1.jpg?v=1767775899 Filter King 17×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 28.5 x .75″ – FK17x28.5x1A-M8 -4 Filter King 17×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 28.5 x .75″ – FK17x28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-31-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/24311.webp?v=1767776020 Filter King 24×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 31.5 x .75″ Filter King 24×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 31.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-16-x-75-fk24x16x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2416.avif?v=1767776317 Filter King 24x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 16 x .75″ – FK24x16x1A-M8 -4 Filter King 24x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 16 x .75″ – FK24x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-12-x-75-fk24x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x12x1A-M8-4-1.jpg?v=1767776346 Filter King 24x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 12 x .75″ – FK24x12x1A-M8 -4 Filter King 24x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 12 x .75″ – FK24x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-49-x-75-fk19-5x49x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_021db301-ff7d-40b4-9915-677beb04be90.jpg?v=1767776365 Filter King 19.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 49 x .75″ – FK19.5x49x1A-M8 -4 Filter King 19.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 49 x .75″ – FK19.5x49x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-13-x-75-fk28-5x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x13x1A-M8-4-1.jpg?v=1767776679 Filter King 28.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 13 x .75″ – FK28.5x13x1A-M8 -4 Filter King 28.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 13 x .75″ – FK28.5x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-24-5-x-75-fb17x25-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_d9af2f24-ee5d-40e2-bd70-a16d392828da.jpg?v=1767776697 Filter King 17x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24.5 x .75″ – FB17X25 -4 Filter King 17x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24.5 x .75″ – FB17X25 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-11-x-75-fk28-5x11x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x11x1A-M8-4-1.jpg?v=1767776971 Filter King 28.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 11 x .75″ – FK28.5x11x1A-M8 -4 Filter King 28.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 11 x .75″ – FK28.5x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-62-5-x-75-fk17-5-62-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_a5df8c3c-61a5-4106-bc6a-27848a584bf9.png?v=1767777106 Filter King 17.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62.5 x .75″ – FK17.5×62.5x1A-M8 -4 Filter King 17.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62.5 x .75″ – FK17.5×62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-18-x-75-fk23-5x18x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x18x1A-M8-4-1.jpg?v=1767777469 Filter King 23.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 18 x .75″ – FK23.5x18x1A-M8 -4 Filter King 23.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 18 x .75″ – FK23.5x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-18-5-x-75-fk22-5-18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x18.5x1A-M8-4_1.jpg?v=1767777484 Filter King 22.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18.5 x .75″ – FK22.5×18.5x1A-M8 -4 Filter King 22.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18.5 x .75″ – FK22.5×18.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-30-5-x-75-fk26x30-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_1c54760b-fc42-48cc-8b7a-a4e01d2f9414.jpg?v=1767777498 Filter King 26×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 30.5 x .75″ – FK26x30.5x1A-M8 -4 Filter King 26×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 30.5 x .75″ – FK26x30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-27-x-75-fk9x27x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x27x1A-M8-4.jpg?v=1767777540 Filter King 9x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 27 x .75″ – FK9x27x1A-M8-4 Filter King 9x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 27 x .75″ – FK9x27x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-56-5-x-75-fk20-5-56-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x56.5x1A-M8-4.avif?v=1767777702 Filter King 20.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 56.5 x .75″ – FK20.5×56.5x1A-M8 -4 Filter King 20.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 56.5 x .75″ – FK20.5×56.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-31-x-75-fk27x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x31x1A-M8-4-1.jpg?v=1767777797 Filter King 27x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 31 x .75″ – FK27x31x1A-M8 -4 Filter King 27x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 31 x .75″ – FK27x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-48-x-75-fk17x48x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_e0e204eb-1f48-4e8a-87f4-78be3b57a4bf.jpg?v=1767777832 Filter King 17x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48 x .75″ – FK17x48x1A-M8 -4 Filter King 17x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48 x .75″ – FK17x48x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-30-5-x-75-fk8x30-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x30.5x1A-M8-4.avif?v=1767777950 Filter King 8×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 30.5 x .75″ – FK8x30.5x1A-M8-4 Filter King 8×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 30.5 x .75″ – FK8x30.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-33-x-75-fk20x33x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x33x1A-M8-4-1.jpg?v=1767778110 Filter King 20x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33 x .75″ – FK20x33x1A-M8 -4 Filter King 20x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33 x .75″ – FK20x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-4-5-x-75-fk28-5-4-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_87bbf653-a62d-48f1-a9d9-687f4c1c1373.jpg?v=1767778262 Filter King 28.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 4.5 x .75″ – FK28.5×4.5x1A-M8 -4 Filter King 28.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 4.5 x .75″ – FK28.5×4.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-9-x-75-fk10-5x9x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x9x1A-M8-4.jpg?v=1767778528 Filter King 10.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 9 x .75″ – FK10.5x9x1A-M8-4 Filter King 10.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 9 x .75″ – FK10.5x9x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-45-x-75-fk24x45x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x45x1A-M8-4.jpg?v=1767778696 Filter King 24x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 45 x .75″ – FK24x45x1A-M8 -4 Filter King 24x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 45 x .75″ – FK24x45x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-21-x-75-fk18-5x21x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x21x1A-M8-4.jpg?v=1767778677 Filter King 18.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21 x .75″ – FK18.5x21x1A-M8 -4 Filter King 18.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21 x .75″ – FK18.5x21x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-45-5-x-75-fk25x45-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_d11817cc-e788-4a7a-acbe-63ee1bb064ef.avif?v=1767778740 Filter King 25×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 45.5 x .75″ – FK25x45.5x1A-M8 -4 Filter King 25×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 45.5 x .75″ – FK25x45.5x1A-M8 -4 WholesaleHVACDirect 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Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 18.5 x .75″ – FK12x18.5x1A-M8-4 Filter King 12×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 18.5 x .75″ – FK12x18.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-19-x-75-fk23-5x19x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x19x1A-M8-4-1.jpg?v=1767778977 Filter King 23.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19 x .75″ – FK23.5x19x1A-M8 -4 Filter King 23.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19 x .75″ – FK23.5x19x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-13-x-75-fk26x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_a10ad295-1b33-44ec-b187-dbfff7c14d72.avif?v=1767779037 Filter King 26x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 13 x .75″ – FK26x13x1A-M8 -4 Filter King 26x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 13 x .75″ – FK26x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-37-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2337.jpg?v=1767779157 Filter King 23.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37.5 x .75″ Filter King 23.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-22-5-x-75-fk10-5-22-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x22.5x1A-M8-4.jpg?v=1767779285 Filter King 10.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 22.5 x .75″ – FK10.5×22.5x1A-M8-4 Filter King 10.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 22.5 x .75″ – FK10.5×22.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-44-x-75-fk19x44x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1944.jpg?v=1767779311 Filter King 19x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 44 x .75″ – FK19x44x1A-M8 -4 Filter King 19x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 44 x .75″ – FK19x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-7-5-x-75-fk23x7-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x7.5x1A-M8-4-1.png?v=1767779334 Filter King 23×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7.5 x .75″ – FK23x7.5x1A-M8 -4 Filter King 23×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7.5 x .75″ – FK23x7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-29-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-29-5-x-75-fk25x29-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_819dc074-8cfc-4eb8-9eec-2eccf442ef0c.avif?v=1767779403 Filter King 25×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 29.5 x .75″ – FK25x29.5x1A-M8-4 Filter King 25×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 29.5 x .75″ – FK25x29.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-26-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x26.jpg?v=1767779505 Filter King 19×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 26.5 x .75″ Filter King 19×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 26.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-38-x-75-fk24x38x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x38x1A-M8-4-1.png?v=1767779646 Filter King 24x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 38 x .75″ – FK24x38x1A-M8 -4 Filter King 24x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 38 x .75″ – FK24x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-11-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x11.jpg?v=1767779943 Filter King 18.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 11.5 x .75″ Filter King 18.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 11.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-47-5-x-75-fk30x47-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_207fc96b-a519-4e57-8261-7a5ae1e04494.avif?v=1767780000 Filter King 30×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 47.5 x .75″ – FK30x47.5x1A-M8 -4 Filter King 30×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 47.5 x .75″ – FK30x47.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-42-x-75-fk18x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x42x1A-M8-4-1.jpg?v=1767780029 Filter King 18x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 42 x .75″ – FK18x42x1A-M8 -4 Filter King 18x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 42 x .75″ – FK18x42x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-21-x-75-fk23x21x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23x21.jpg?v=1767780304 Filter King 23x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21 x .75″ – FK23x21x1A-M8 -4 Filter King 23x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21 x .75″ – FK23x21x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-9-5-x-75-fk23-5-9-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x9.5x1A-M8-4-1.jpg?v=1767780971 Filter King 23.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9.5 x .75″ – FK23.5×9.5x1A-M8 -4 Filter King 23.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9.5 x .75″ – FK23.5×9.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-30-5-x-75-fk27x30-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_d4935114-39d6-4855-a7e3-b17137098bc1.jpg?v=1767781029 Filter King 27×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 30.5 x .75″ – FK27x30.5x1A-M8 -4 Filter King 27×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 30.5 x .75″ – FK27x30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-26-5-x-75-fk22x26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_ade70d0c-9d1d-43c4-86d4-39c4a66cbadb.jpg?v=1767781712 Filter King 22×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 26.5 x .75″ – FK22x26.5x1A-M8 -4 Filter King 22×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 26.5 x .75″ – FK22x26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-37-5-x-75-fk27-5-37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x37.5x1A-M8-4.avif?v=1767781761 Filter King 27.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 37.5 x .75″ – FK27.5×37.5x1A-M8 -4 Filter King 27.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 37.5 x .75″ – FK27.5×37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-48-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2148.jpg?v=1767781897 Filter King 21x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48 x .75″ Filter King 21x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-45-5-x-75-fk18-5-45-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/V_c834a01a-4eb8-4bd5-be75-4efb472f4572.webp?v=1767782155 Filter King 18.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45.5 x .75″ – FK18.5×45.5x1A-M8 -4 Filter King 18.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45.5 x .75″ – FK18.5×45.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-40-5-x-75-fk28x40-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x40.5x1A-M8-4.avif?v=1767782165 Filter King 28×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 40.5 x .75″ – FK28x40.5x1A-M8 -4 Filter King 28×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 40.5 x .75″ – FK28x40.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-39-5-x-75-fk20-5-39-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2039.png?v=1767782252 Filter King 20.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 39.5 x .75″ – FK20.5×39.5x1A-M8 -4 Filter King 20.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 39.5 x .75″ – FK20.5×39.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-36-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2436.webp?v=1767782439 Filter King 24×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 36.5 x .75″ Filter King 24×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 36.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-15-5-x-75-fk27-5-15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/W_c37dc809-9f81-4e1e-8e05-52b2410127f0.avif?v=1767782482 Filter King 27.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 15.5 x .75″ – FK27.5×15.5x1A-M8 -4 Filter King 27.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 15.5 x .75″ – FK27.5×15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-7-5-x-75-fk27-5-7-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x7.5x1A-M8-4.jpg?v=1767782492 Filter King 27.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 7.5 x .75″ – FK27.5×7.5x1A-M8 -4 Filter King 27.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 7.5 x .75″ – FK27.5×7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-51-5-x-75-fk28-5-51-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28511.avif?v=1767782664 Filter King 28.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 51.5 x .75″ – FK28.5×51.5x1A-M8-4 Filter King 28.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 51.5 x .75″ – FK28.5×51.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-18-x-75-fk21x18x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/X_c9f340ee-d9ec-4b39-8f7f-f9e79e3c6316.jpg?v=1767782770 Filter King 21x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 18 x .75″ – FK21x18x1A-M8 -4 Filter King 21x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 18 x .75″ – FK21x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-18-x-75-fk25x18x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x18x1A-M8-4.jpg?v=1767782847 Filter King 25x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 18 x .75″ – FK25x18x1A-M8 -4 Filter King 25x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 18 x .75″ – FK25x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-7-x-75-fk23x7x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x7x1A-M8-4.jpg?v=1767783208 Filter King 23x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7 x .75″ – FK23x7x1A-M8 -4 Filter King 23x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7 x .75″ – FK23x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-14-5-x-75-fk23-5-14-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_a588ce6e-6537-41fb-9030-2d47da513c2c.avif?v=1767783236 Filter King 23.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 14.5 x .75″ – FK23.5×14.5x1A-M8 -4 Filter King 23.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 14.5 x .75″ – FK23.5×14.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-38-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2638.jpg?v=1767783307 Filter King 26.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 38.5 x .75″ Filter King 26.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 38.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-10-x-75-fk28-5x10x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2810.jpg?v=1767783580 Filter King 28.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 10 x .75″ – FK28.5x10x1A-M8 -4 Filter King 28.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 10 x .75″ – FK28.5x10x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-7-x-75-fk30-5x7x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x7x1A-M8-4-1.jpg?v=1767783659 Filter King 30.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 7 x .75″ – FK30.5x7x1A-M8 -4 Filter King 30.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 7 x .75″ – FK30.5x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-16-x-75-fk23x16x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_6211050b-8c2c-40d6-9ac7-795521188eeb.jpg?v=1767783683 Filter King 23x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16 x .75″ – FK23x16x1A-M8 -5 Filter King 23x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16 x .75″ – FK23x16x1A-M8 -5 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-8-x-75-fk29x8x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x8x1A-M8-4-1.jpg?v=1767784012 Filter King 29x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 8 x .75″ – FK29x8x1A-M8 -4 Filter King 29x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 8 x .75″ – FK29x8x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-13-x-75-fk24x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_8adadc68-1a1f-45e1-8d66-9e0e6e820936.jpg?v=1767784020 Filter King 24x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13 x .75″ – FK24x13x1A-M8 -4 Filter King 24x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13 x .75″ – FK24x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-17-5-x-75-fk17x17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x17.5x1A-M8-4.avif?v=1767784390 Filter King 17×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17.5 x .75″ – FK17x17.5x1A-M8 -4 Filter King 17×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17.5 x .75″ – FK17x17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-62-x-75-fk22x62x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_0be3dc25-d809-4dcc-878a-41694d82dfcc.avif?v=1767784410 Filter King 22x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 62 x .75″ – FK22x62x1A-M8 -4 Filter King 22x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 62 x .75″ – FK22x62x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-8-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2885.webp?v=1767784693 Filter King 28×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 8.5 x .75″ Filter King 28×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 8.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-40-5-x-75-fk25x40-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_2da6e3db-7c2a-4e16-9a09-c09cb1357b0d.jpg?v=1767784904 Filter King 25×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40.5 x .75″ – FK25x40.5x1A-M8 -4 Filter King 25×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40.5 x .75″ – FK25x40.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-22-5-x-75-fk23x22-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x22.5x1A-M8-4-1.jpg?v=1767785018 Filter King 23×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 22.5 x .75″ – FK23x22.5x1A-M8 -4 Filter King 23×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 22.5 x .75″ – FK23x22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-12-x-75-fk28x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_f756899e-dd7a-4d2b-aac6-485de73f561d.jpg?v=1767785385 Filter King 28x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 12 x .75″ – FK28x12x1A-M8 -4 Filter King 28x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 12 x .75″ – FK28x12x1A-M8 -4 WholesaleHVACDirect 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Actual Size: 20 x 10 x .75″ – FK20x10x1A-M8 -4 Filter King 20x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10 x .75″ – FK20x10x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-29-x-75-fk7-5x29x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x29x1A-M8-4.jpg?v=1767786023 Filter King 7.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 29 x .75″ – FK7.5x29x1A-M8-4 Filter King 7.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 29 x .75″ – FK7.5x29x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-40-x-75-fk25x40x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x40x1A-M8-4.jpg?v=1767786204 Filter King 25x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40 x .75″ – FK25x40x1A-M8 -4 Filter King 25x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40 x .75″ – FK25x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-15-x-75-fk29x15x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x15x1A-M8-4.jpg?v=1767786290 Filter King 29x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 15 x .75″ – FK29x15x1A-M8 -4 Filter King 29x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 15 x .75″ – FK29x15x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-21-x-75-fk13-5x21x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x21x1A-M8-4.jpg?v=1767786429 Filter King 13.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 21 x .75″ – FK13.5x21x1A-M8-4 Filter King 13.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 21 x .75″ – FK13.5x21x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-8-x-75-fk20-5x8x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x8x1A-M8-4.jpg?v=1767786527 Filter King 20.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 8 x .75″ – FK20.5x8x1A-M8 -4 Filter King 20.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 8 x .75″ – FK20.5x8x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-5-x-75-fk29-5x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x5x1A-M8-4.jpg?v=1767786661 Filter King 29.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 5 x .75″ – FK29.5x5x1A-M8 -4 Filter King 29.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 5 x .75″ – FK29.5x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-10-x-75-fk21x10x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x10x1A-M8-4.jpg?v=1767786743 Filter King 21x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 10 x .75″ – FK21x10x1A-M8 -4 Filter King 21x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 10 x .75″ – FK21x10x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-15-5-x-75-fk4x15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x15.5x1A-M8-4.jpg?v=1767787049 Filter King 4×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 15.5 x .75″ – FK4x15.5x1A-M8-4 Filter King 4×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 15.5 x .75″ – FK4x15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-16-5-x-75-fk23-5-16-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x16.5x1A-M8-4.jpg?v=1767787086 Filter King 23.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16.5 x .75″ – FK23.5×16.5x1A-M8 -4 Filter King 23.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16.5 x .75″ – FK23.5×16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-56-5-x-75-fk26x56-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x56.5x1A-M8-4.avif?v=1767787122 Filter King 26×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 56.5 x .75″ – FK26x56.5x1A-M8 -4 Filter King 26×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 56.5 x .75″ – FK26x56.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-28-x-75-fk30x28x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x28x1A-M8-4.jpg?v=1767787317 Filter King 30x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 28 x .75″ – FK30x28x1A-M8 -4 Filter King 30x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 28 x .75″ – FK30x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-8-x-75-fk5-5x8x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x8x1A-M8-4.jpg?v=1767787558 Filter King 5.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 8 x .75″ – FK5.5x8x1A-M8-4 Filter King 5.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 8 x .75″ – FK5.5x8x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-31-x-75-fk17-5x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x31x1A-M8-4.jpg?v=1767787564 Filter King 17.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31 x .75″ – FK17.5x31x1A-M8 -4 Filter King 17.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31 x .75″ – FK17.5x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-33-x-75-fk27x33x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x33x1A-M8-4.jpg?v=1767787584 Filter King 27x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 33 x .75″ – FK27x33x1A-M8-4 Filter King 27x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 33 x .75″ – FK27x33x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-32-x-75-fk29x32x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x32x1A-M8-4.avif?v=1767787772 Filter King 29x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 32 x .75″ – FK29x32x1A-M8 -4 Filter King 29x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 32 x .75″ – FK29x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-48-x-75-fk12-5x48x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x48x1A-M8-4.jpg?v=1767788016 Filter King 12.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 48 x .75″ – FK12.5x48x1A-M8-4 Filter King 12.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 48 x .75″ – FK12.5x48x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-27-5-x-75-fk28-5-27-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x27.5x1A-M8-4.jpg?v=1767788043 Filter King 28.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 27.5 x .75″ – FK28.5×27.5x1A-M8 -4 Filter King 28.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 27.5 x .75″ – FK28.5×27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-60-5-x-75-fk23-5-60-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x60.5x1A-M8-4.avif?v=1767788101 Filter King 23.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 60.5 x .75″ – FK23.5×60.5x1A-M8 -4 Filter King 23.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 60.5 x .75″ – FK23.5×60.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-39-5-x-75-fk24-5-39-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x39.5x1A-M8-4.jpg?v=1767788290 Filter King 24.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 39.5 x .75″ – FK24.5×39.5x1A-M8 -4 Filter King 24.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 39.5 x .75″ – FK24.5×39.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-33-5-x-75-fk23x33-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x33.5x1A-M8-4.jpg?v=1767788675 Filter King 23×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 33.5 x .75″ – FK23x33.5x1A-M8 -4 Filter King 23×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 33.5 x .75″ – FK23x33.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-32-x-75-fk16-5x32x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x32x1A-M8-4.jpg?v=1767788702 Filter King 16.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 32 x .75″ – FK16.5x32x1A-M8-4 Filter King 16.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 32 x .75″ – FK16.5x32x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-48-x-75-fk30x48x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x48x1A-M8-4.jpg?v=1767788830 Filter King 30x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 48 x .75″ – FK30x48x1A-M8 -4 Filter King 30x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 48 x .75″ – FK30x48x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-31-x-75-fk21x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x31x1A-M8-4.jpg?v=1767789018 Filter King 21x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 31 x .75″ – FK21x31x1A-M8 -4 Filter King 21x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 31 x .75″ – FK21x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-20-5-x-75-fk26x20-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x20.5x1A-M8-4.jpg?v=1767789427 Filter King 26×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 20.5 x .75″ – FK26x20.5x1A-M8 -4 Filter King 26×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 20.5 x .75″ – FK26x20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-8-5-x-76 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x5.webp?v=1767797466 Filter King 28×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 8.5 x .75″ Filter King 28×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 8.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-37-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x37.webp?v=1767798157 Filter King 21.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 37 x .75″ Filter King 21.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 37 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-14-5-x-75-fk22x14-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2214_900b4520-a70b-492b-a0b5-50389dcf110d.jpg?v=1767798379 Filter King 22×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14.5 x .75″ – FK22x14.5x1A-M8 -4 Filter King 22×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14.5 x .75″ – FK22x14.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-30-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x30-1.jpg?v=1767798577 Filter King 21.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 30 x .75″ Filter King 21.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 30 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-24-5-x-75-fk25x24-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily 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https://hvacdirect.store/products/filter-king-22-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-4-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x4.5.webp?v=1767799188 Filter King 22.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 4.5 x .75″ Filter King 22.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 4.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-40-x-75-fk27x40x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2740.png?v=1767799485 Filter King 27x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 40 x .75″ FK27x40x1A-M8 -4 Filter King 27x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 40 x .75″ FK27x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-42-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2842.jpg?v=1767846039 Filter King 28×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 42.5 x .75″ Filter King 28×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 42.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-12-x-75-fk8-5x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x12x1A-M8-4_1.jpg?v=1767846063 Filter King 8.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 12 x .75″ – FK8.5x12x1A-M8-4 Filter King 8.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 12 x .75″ – FK8.5x12x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-52-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2152.webp?v=1767846268 Filter King 21x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52 x .75″ Filter King 21x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-60-x-75-fk11-5x60x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x60x1A-M8-4.jpg?v=1767846392 Filter King 11.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 60 x .75″ – FK11.5x60x1A-M8-4 Filter King 11.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 60 x .75″ – FK11.5x60x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-44-5-x-75-fk24x44-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2444.jpg?v=1767846506 Filter King 24×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 44.5 x .75″ – FK24x44.5x1A-M8 -4 Filter King 24×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 44.5 x .75″ – FK24x44.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-35-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x35.jpg?v=1767846800 Filter King 28×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 35.5 x .75″ Filter King 28×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 35.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-34-x-75-fk7-5x34x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x34x1A-M8-4.jpg?v=1767847684 Filter King 7.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 34 x .75″ – FK7.5x34x1A-M8-4 Filter King 7.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 34 x .75″ – FK7.5x34x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-23-x-75-fk16-5x23x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x23x1A-M8-4.jpg?v=1767847971 Filter King 16.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 23 x .75″ – FK16.5x23x1A-M8-4 Filter King 16.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 23 x .75″ – FK16.5x23x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-35-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1835.jpg?v=1767848087 Filter King 18x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 35 x .75″ Filter King 18x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 35 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-59-x-75-fk13-5x59x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x59x1A-M8-4.jpg?v=1767848575 Filter King 13.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 59 x .75″ – FK13.5x59x1A-M8-4 Filter King 13.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 59 x .75″ – FK13.5x59x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-66-5-x-75-fk8x66-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x66.5x1A-M8-4.avif?v=1767849043 Filter King 8×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 66.5 x .75″ – FK8x66.5x1A-M8-4 Filter King 8×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 66.5 x .75″ – FK8x66.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-64-5-x-75-fk4-5-64-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x64.5x1A-M8-4.jpg?v=1767849282 Filter King 4.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 64.5 x .75″ – FK4.5×64.5x1A-M8-4 Filter King 4.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 64.5 x .75″ – FK4.5×64.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-21-5-x-75-fk24x21-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x21.5x1A-M8-4.jpg?v=1767849409 Filter King 24×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21.5 x .75″ – FK24x21.5x1A-M8 -4 Filter King 24×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21.5 x .75″ – FK24x21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-32-x-75-fk17-5x32x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x32x1A-M8-4.jpg?v=1767849587 Filter King 17.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 32 x .75″ – FK17.5x32x1A-M8 -4 Filter King 17.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 32 x .75″ – FK17.5x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-55-5-x-75-fk22x55-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_2ee01966-8fdc-4683-bfee-2855cf3e582b.avif?v=1767849600 Filter King 22×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 55.5 x .75″ – FK22x55.5x1A-M8 -4 Filter King 22×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 55.5 x .75″ – FK22x55.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-32-5-x-75-fk22-5-32-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_d937c06f-2c3b-45fc-b473-707379c86942.avif?v=1767849593 Filter King 22.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 32.5 x .75″ – FK22.5×32.5x1A-M8 – 4 Filter King 22.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 32.5 x .75″ – FK22.5×32.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-13-5-x-75-fk21x13-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x13.5x1A-M8-4.png?v=1767849780 Filter King 21×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 13.5 x .75″ – FK21x13.5x1A-M8 -4 Filter King 21×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 13.5 x .75″ – FK21x13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-13-x-75-fk5-5x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x13x1A-M8-4_1.jpg?v=1767849798 Filter King 5.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN 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https://hvacdirect.store/products/filter-king-28-5-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-9-5-x-75-fk28-5-9-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_db4921b3-3c0d-41d5-8f32-0072665ebd6b.avif?v=1767849913 Filter King 28.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 9.5 x .75″ – FK28.5×9.5x1A-M8 – 4 Filter King 28.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 9.5 x .75″ – FK28.5×9.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-18-x-75-fk19x18x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x18x1A-M8-4.jpg?v=1767849928 Filter King 19x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18 x .75″ – FK19x18x1A-M8-4 Filter King 19x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18 x .75″ – FK19x18x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-37-5-x-75-fk18x37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x18x1A-M8-4_94d65d44-0856-4b27-8b5e-85da27921f3e.jpg?v=1767850191 Filter King 18×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37.5 x .75″ – FK18x37.5x1A-M8 -4 Filter King 18×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37.5 x .75″ – FK18x37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-45-x-75-fk27-5x45x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_a0174933-c750-4342-9b25-dd5e9e90044f.jpg?v=1767850209 Filter King 27.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 45 x .75″ – FK27.5x45x1A-M8 – 4 Filter King 27.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 45 x .75″ – FK27.5x45x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-46-x-75-fk21x46x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_f83082f4-438f-4449-b3d2-7d6eca5eb281.jpg?v=1767850254 Filter King 21x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 46 x .75″ – FK21x46x1A-M8 -4 Filter King 21x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 46 x .75″ – FK21x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-47-x-75-fk18x47x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x47x1A-M8-4.jpg?v=1767850385 Filter King 18x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 47 x .75″ – FK18x47x1A-M8 -4 Filter King 18x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 47 x .75″ – FK18x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-38-5-x-75-fk25x38-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_68491eff-16eb-4b10-8818-f2c570c85dcf.jpg?v=1767850525 Filter King 25×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38.5 x .75″ – FK25x38.5x1A-M8 -4 Filter King 25×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38.5 x .75″ – FK25x38.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-10-x-75-fk23x10x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_724c80da-8be3-4251-8426-fb703a8428b1.avif?v=1767850533 Filter King 23x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10 x .75″ – FK23x10x1A-M8 – 4 Filter King 23x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10 x .75″ – FK23x10x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-37-5-x-75-fk19-5-37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x37.5x1A-M8-4.jpg?v=1767850641 Filter King 19.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37.5 x .75″ – FK19.5×37.5x1A-M8 -4 Filter King 19.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37.5 x .75″ – FK19.5×37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-42-x-75-fk8-5x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x42x1A-M8-4.jpg?v=1767850762 Filter King 8.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 42 x .75″ – FK8.5x42x1A-M8-4 Filter King 8.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 42 x .75″ – FK8.5x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-18-x-75-fk28x18x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_8ccdefd7-6631-485d-98b3-72daf28ae7ff.avif?v=1767850850 Filter King 28x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 18 x .75″ – FK28x18x1A-M8 -4 Filter King 28x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 18 x .75″ – FK28x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-15-5-x-75-fk25-5-15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_d509ea48-0bf0-4f22-a213-e5d6b6cd0a6d.jpg?v=1767850856 Filter King 25.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 15.5 x .75″ – FK25.5×15.5x1A-M8 – 4 Filter King 25.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 15.5 x .75″ – FK25.5×15.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-47-5-x-75-fk24x47-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_446f2da7-9ff6-4802-9924-49a0324825ad.jpg?v=1767851139 Filter King 24×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 47.5 x .75″ – FK24x47.5x1A-M8 – 4 Filter King 24×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 47.5 x .75″ – FK24x47.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-25-5-x-75-fk21x25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_57913c51-344a-45ee-a163-a9d1ed662bf3.jpg?v=1767851170 Filter King 21×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 25.5 x .75″ – FK21x25.5x1A-M8 -4 Filter King 21×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 25.5 x .75″ – FK21x25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-54-5-x-75-fk20x54-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_5f224f55-a856-4747-99c4-c16b310bb4b6.jpg?v=1767851938 Filter King 20×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 54.5 x .75″ – FK20x54.5x1A-M8 -4 Filter King 20×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 54.5 x .75″ – FK20x54.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-4-x-75-fk21-5x4x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_5e664e46-6f28-4ad6-acd3-40a13cb05edd.avif?v=1767851947 Filter King 21.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4 x .75″ – FK21.5x4x1A-M8 – 4 Filter King 21.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4 x .75″ – FK21.5x4x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-17-x-75-fk21-5x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x17x1A-M8-4.jpg?v=1767852057 Filter King 21.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 17 x .75″ – FK21.5x17x1A-M8 -4 Filter King 21.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 17 x .75″ – FK21.5x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-7-x-75-fk29x7x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x7x1A-M8-4.jpg?v=1767852230 Filter King 29x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 7 x .75″ – FK29x7x1A-M8 -4 Filter King 29x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 7 x .75″ – FK29x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-36-5-x-75-fk30x36-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_0bcf5180-462f-46aa-b792-f318c29614f2.avif?v=1767852444 Filter King 30×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 36.5 x .75″ – FK30x36.5x1A-M8 -4 Filter King 30×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 36.5 x .75″ – FK30x36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-46-5-x-75-fk20x46-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_6c437bb2-a860-4a9a-9130-f5ebb261e0d2.avif?v=1767852448 Filter King 20×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46.5 x .75″ – FK20x46.5x1A-M8 – 4 Filter King 20×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46.5 x .75″ – FK20x46.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-27-5-x-75-fk17x27-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x27.5x1A-M8-4.avif?v=1767852497 Filter King 17×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 27.5 x .75″ – FK17x27.5x1A-M8 -4 Filter King 17×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 27.5 x .75″ – FK17x27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-27-5-x-75-fk26-5-27-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_f5ccd504-9ff3-4dc1-b737-d0ff0b5efba8.jpg?v=1767852850 Filter King 26.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 27.5 x .75″ – FK26.5×27.5x1A-M8 -4 Filter King 26.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 27.5 x .75″ – FK26.5×27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-17-5-x-75-fk19-5-17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_4f5e303b-e7c7-4a82-815b-b2ee9a47dca1.jpg?v=1767852857 Filter King 19.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17.5 x .75″ – FK19.5×17.5x1A-M8 – 4 Filter King 19.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17.5 x .75″ – FK19.5×17.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-23-5-x-75-fk30-5-23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x23.5x1A-M8-4.jpg?v=1767852930 Filter King 30.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 23.5 x .75″ – FK30.5×23.5x1A-M8 -4 Filter King 30.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 23.5 x .75″ – FK30.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-33-5-x-75-fk4-5-33-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x33.5x1A-M8-4.jpg?v=1767853043 Filter King 4.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 33.5 x .75″ – FK4.5×33.5x1A-M8-4 Filter King 4.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 33.5 x .75″ – FK4.5×33.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-15-5-x-75-fk30x15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x15.5x1A-M8-4_1.avif?v=1767853077 Filter King 30×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 15.5 x .75″ – FK30x15.5x1A-M8 -4 Filter King 30×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 15.5 x .75″ – FK30x15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-26-x-75-fk20x26x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_5e92f21b-0e2a-4240-8f39-21a0098c4623.jpg?v=1767853206 Filter King 20x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 26 x .75″ – FK20x26x1A-M8 – 4 Filter King 20x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 26 x .75″ – FK20x26x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-50-5-x-75-fk25x50-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_1779a47e-02cb-43be-8316-f6ecd9115975.avif?v=1767853215 Filter King 25×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50.5 x .75″ – FK25x50.5x1A-M8 -4 Filter King 25×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50.5 x .75″ – FK25x50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-39-5-x-75-fk17-5-39-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/12x26x2-1-1_6935d656-2ed8-4f6f-bb8a-f3fab5c5b4fe.jpg?v=1767853274 Filter King 17.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39.5 x .75″ – FK17.5×39.5x1A-M8 -4 Filter King 17.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39.5 x .75″ – FK17.5×39.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-49-x-75-fk8x49x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x49x1A-M8-4.avif?v=1767853330 Filter King 8x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 49 x .75″ – FK8x49x1A-M8-4 Filter King 8x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 49 x .75″ – FK8x49x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-9-x-75-fk22x9x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x9x1A-M8-4.png?v=1767853417 Filter King 22x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 9 x .75″ – FK22x9x1A-M8 -4 Filter King 22x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 9 x .75″ – FK22x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-7-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_6f40b33a-7598-44f1-a814-50a6a96f0b5d.avif?v=1767853571 Filter King 30x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 7 x .75″ – Filter King 30x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 7 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-49-5-x-75-fk22x49-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_d0610a6c-53cf-4444-af3d-791d168875c0.avif?v=1767853576 Filter King 22×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 49.5 x .75″ – FK22x49.5x1A-M8 – 4 Filter King 22×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 49.5 x .75″ – FK22x49.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-58-x-75-fk19x58x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_93460580-8d5f-4f9d-90ff-e8d3d31f5355.avif?v=1767853868 Filter King 19x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 58 x .75″ – FK19x58x1A-M8 – 4 Filter King 19x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 58 x .75″ – FK19x58x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-25-5-x-75-fk18-5-25-5x1a-m8-1 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_c267e1a7-28bd-4c11-b831-412235f80aba.jpg?v=1767853879 Filter King 18.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25.5 x .75″ – FK18.5×25.5x1A-M8 -1 Filter King 18.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25.5 x .75″ – FK18.5×25.5x1A-M8 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-15-5-x-75-fk15x15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x15.5x1A-M8-4.avif?v=1767853922 Filter King 15×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 15.5 x .75″ – FK15x15.5x1A-M8-4 Filter King 15×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 15.5 x .75″ – FK15x15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-19-5-x-75-fk24-5-19-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x19.5x1A-M8-4.jpg?v=1767854116 Filter King 24.5×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19.5 x .75″ – FK24.5×19.5x1A-M8 -4 Filter King 24.5×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19.5 x .75″ – FK24.5×19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-22-x-75-fk28-5x22x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_3ec23d1d-829e-4232-a439-479a05fdabf0.jpg?v=1767854159 Filter King 28.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 22 x .75″ – FK28.5x22x1A-M8 – 4 Filter King 28.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 22 x .75″ – FK28.5x22x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-49-x-75-fk24-5x49x1a-m8-1 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_38505e16-5c6e-496b-80c7-2062cc8e5bd9.jpg?v=1767854170 Filter King 24.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49 x .75″ – FK24.5x49x1A-M8 -1 Filter King 24.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49 x .75″ – FK24.5x49x1A-M8 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-23-5-x-75-fk20-5-23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x23.5x1A-M8-4.jpg?v=1767854256 Filter King 20.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75″ – FK20.5×23.5x1A-M8 -4 Filter King 20.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75″ – FK20.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-23-5-x-75-fk20-5-23-5x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x23.5x1A-M8-4_1.jpg?v=1767854408 Filter King 20.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75″ – FK20.5×23.5x1A-M8 -4 Filter King 20.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75″ – FK20.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-15-5-x-75-fk18-5-15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_7920883a-45cb-4321-91ce-5a07827f8188.jpg?v=1767854427 Filter King 18.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15.5 x .75″ – FK18.5×15.5x1A-M8 – 4 Filter King 18.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15.5 x .75″ – FK18.5×15.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-32-x-75-fk25-5x32x1a-m8-1 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_a2e68eed-dbc0-4b0f-a381-09eccb07c496.jpg?v=1767854440 Filter King 25.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 32 x .75″ – FK25.5x32x1A-M8 -1 Filter King 25.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 32 x .75″ – FK25.5x32x1A-M8 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-10-x-75-fk4-5x10x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x10x1A-M8-4.png?v=1767854527 Filter King 4.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 10 x .75″ – FK4.5x10x1A-M8-4 Filter King 4.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 10 x .75″ – FK4.5x10x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-41-5-x-75-fk17-5-41-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x41.5x1A-M8-4.jpg?v=1767854538 Filter King 17.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41.5 x .75″ – FK17.5×41.5x1A-M8 -4 Filter King 17.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41.5 x .75″ – FK17.5×41.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-12-x-75-fk21-5x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x12x1A-M8-4.jpg?v=1767854642 Filter King 21.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 12 x .75″ – FK21.5x12x1A-M8 -4 Filter King 21.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 12 x .75″ – FK21.5x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-31-5-x-75-fk25x31-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_257f6e3f-038b-4986-a4fd-0415beb75787.jpg?v=1767854719 Filter King 25×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 31.5 x .75″ – FK25x31.5x1A-M8 -4 Filter King 25×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 31.5 x .75″ – FK25x31.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-48-5-x-75-fk23x48-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_e3a5efba-81b1-43f9-8e7a-06ec507a01fe.jpg?v=1767854772 Filter King 23×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 48.5 x .75″ – FK23x48.5x1A-M8 – 4 Filter King 23×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 48.5 x .75″ – FK23x48.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-17-x-75-fk26x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x17x1A-M8-4.jpg?v=1767854875 Filter King 26x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 17 x .75″ – FK26x17x1A-M8 -4 Filter King 26x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 17 x .75″ – FK26x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-45-5-x-75-fk27-5-45-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_86bd5cae-952c-42a8-a2df-96dcf0008ece.avif?v=1767855102 Filter King 27.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 45.5 x .75″ – FK27.5×45.5x1A-M8 -4 Filter King 27.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 45.5 x .75″ – FK27.5×45.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-64-5-x-75-fk25x64-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_235df2a3-3103-42f9-823b-e894167a7612.avif?v=1767855108 Filter King 25×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 64.5 x .75″ – FK25x64.5x1A-M8 – 4 Filter King 25×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 64.5 x .75″ – FK25x64.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-x-75-fk19-5x24x1a-m8-1 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_f15bee52-6b34-4d95-826a-786dae7c91f9.jpg?v=1767855564 Filter King 19.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24 x .75″ – FK19.5x24x1A-M8 -1 Filter King 19.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24 x .75″ – FK19.5x24x1A-M8 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-31-x-75-fk22x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_baca5de7-c7d6-49e7-ab01-8dc498fc94af.avif?v=1767855567 Filter King 22x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 31 x .75″ – FK22x31x1A-M8 – 4 Filter King 22x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 31 x .75″ – FK22x31x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-47-x-75-fk17-5x47x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x47x1A-M8-4.avif?v=1767855570 Filter King 17.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 47 x .75″ – FK17.5x47x1A-M8 -4 Filter King 17.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 47 x .75″ – FK17.5x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-17-5-x-75-fk25x17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/V_12a9e02c-696c-42da-9854-e4a9552a1040.jpg?v=1767856335 Filter King 25×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 17.5 x .75″ – FK25x17.5x1A-M8 -4 Filter King 25×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 17.5 x .75″ – FK25x17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-10-5-x-75-fk20-5-10-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_2b608cb6-bcce-42ca-941c-7f528765daf0.jpg?v=1767856408 Filter King 20.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 10.5 x .75″ – FK20.5×10.5x1A-M8 – 4 Filter King 20.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 10.5 x .75″ – FK20.5×10.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-23-5-x-75-fk22-5-23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/W_981305ce-d7e8-4f1b-8ebb-811236416da1.jpg?v=1767856782 Filter King 22.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 23.5 x .75″ – FK22.5×23.5x1A-M8 -4 Filter King 22.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 23.5 x .75″ – FK22.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-61-x-75-fk26x61x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_469066e0-558f-4c71-89f1-366c0e3ac900.jpg?v=1767856791 Filter King 26x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 61 x .75″ – FK26x61x1A-M8 – 4 Filter King 26x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 61 x .75″ – FK26x61x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-10-x-75-fk21-5x10x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_6ab2d00f-f140-4df5-a455-367b0a69f63a.jpg?v=1767857206 Filter King 21.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10 x .75″ – FK21.5x10x1A-M8 – 4 Filter King 21.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10 x .75″ – FK21.5x10x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-6-5-x-75-fk18x6-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_e2c7fb1e-6f6f-46e4-834b-0df073871107.jpg?v=1767857253 Filter King 18×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 6.5 x .75″ – FK18x6.5x1A-M8 -4 Filter King 18×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 6.5 x .75″ – FK18x6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-53-5-x-75-fk19x53-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_07b61fa3-7851-4347-aefc-60aaf6d25705.jpg?v=1767857664 Filter King 19×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 53.5 x .75″ – FK19x53.5x1A-M8 -4 Filter King 19×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 53.5 x .75″ – FK19x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-11-5-x-75-fk19x11-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_fa22e56b-db87-4f33-87a6-cd2a0d0482bc.jpg?v=1767857689 Filter King 19×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 11.5 x .75″ – FK19x11.5x1A-M8 – 4 Filter King 19×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 11.5 x .75″ – FK19x11.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-54-x-75-fk22x54x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_8418300c-db0d-45d5-9e8d-a104cdca6ca6.avif?v=1767858056 Filter King 22x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 54 x .75″ – FK22x54x1A-M8 -4 Filter King 22x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 54 x .75″ – FK22x54x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-17-5-x-75-fk20-5-17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_4109c5db-7157-4473-84b0-1ba2ea12a39e.avif?v=1767858216 Filter King 20.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17.5 x .75″ – FK20.5×17.5x1A-M8 – 4 Filter King 20.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17.5 x .75″ – FK20.5×17.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-26-5-x-75-fk19-5-26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_22466fd1-6654-4324-b19c-931aafe8f639.jpg?v=1767858579 Filter King 19.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 26.5 x .75″ – FK19.5×26.5x1A-M8 -4 Filter King 19.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 26.5 x .75″ – FK19.5×26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-4-5-x-75-fk30-5-4-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_8506c1a8-37a5-48f1-bb3e-7b913ede6eac.jpg?v=1767858698 Filter King 30.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 4.5 x .75″ – FK30.5×4.5x1A-M8 – 4 Filter King 30.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 4.5 x .75″ – FK30.5×4.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-10-5-x-75-fk25x10-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_b0aeedf6-908b-48d1-be5c-a0cae2b05820.avif?v=1767861018 Filter King 25×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 10.5 x .75″ – FK25x10.5x1A-M8 -4 Filter King 25×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 10.5 x .75″ – FK25x10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-31-5-x-75-fk18-5-31-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_ecb829b6-9070-4146-861a-208b2271a061.avif?v=1767861114 Filter King 18.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 31.5 x .75″ – FK18.5×31.5x1A-M8 – 4 Filter King 18.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 31.5 x .75″ – FK18.5×31.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-14-x-75-fk22x14x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x14x1A-M8-4.jpg?v=1767861120 Filter King 22x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14 x .75″ – FK22x14x1A-M8 -4 Filter King 22x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14 x .75″ – FK22x14x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-41-5-x-75-fk19-5-41-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_111f540e-1511-4eaa-8a48-403f23d132ef.jpg?v=1767861410 Filter King 19.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 41.5 x .75″ – FK19.5×41.5x1A-M8 -4 Filter King 19.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 41.5 x .75″ – FK19.5×41.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-20-x-75-fk30-5x20x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_2f956216-e747-4d0e-9414-5ce687c77409.jpg?v=1767861424 Filter King 30.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 20 x .75″ – FK30.5x20x1A-M8 – 4 Filter King 30.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 20 x .75″ – FK30.5x20x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-20-5-x-75-fk24x20-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x20.5x1A-M8-4.jpg?v=1767861716 Filter King 24×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20.5 x .75″ – FK24x20.5x1A-M8 -4 Filter King 24×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20.5 x .75″ – FK24x20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-40-x-75-fk21x40x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_65946478-1059-45f2-8378-ad632da138f8.avif?v=1767861748 Filter King 21x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 40 x .75″ – FK21x40x1A-M8 -4 Filter King 21x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 40 x .75″ – FK21x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-55-5-x-75-fk26-5-55-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G.png?v=1767861841 Filter King 26.5×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 55.5 x .75″ – FK26.5×55.5x1A-M8 – 4 Filter King 26.5×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 55.5 x .75″ – FK26.5×55.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-7-5-x-75-fk21-5-7-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x7.5x1A-M8-4.jpg?v=1767861851 Filter King 21.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 7.5 x .75″ – FK21.5×7.5x1A-M8 -4 Filter King 21.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 7.5 x .75″ – FK21.5×7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-29-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-29-5-x-75-fk25-5-29-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x29.5x1A-M8-4.jpg?v=1767862007 Filter King 25.5×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 29.5 x .75″ – FK25.5×29.5x1A-M8 – 4 Filter King 25.5×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 29.5 x .75″ – FK25.5×29.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-58-5-x-75-fk17x58-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_d82315d9-251a-4045-9b8e-513147df71bc.jpg?v=1767862082 Filter King 17×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 58.5 x .75″ – FK17x58.5x1A-M8 -4 Filter King 17×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 58.5 x .75″ – FK17x58.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-40-x-75-fk24-5x40x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_08eb8635-beb5-4882-8d85-95f6dcb2ba2d.avif?v=1767862202 Filter King 24.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 40 x .75″ – FK24.5x40x1A-M8 – 4 Filter King 24.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 40 x .75″ – FK24.5x40x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-59-5-x-75-fk24x59-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x59.5x1A-M8-4.jpg?v=1767862822 Filter King 24×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 59.5 x .75″ – FK24x59.5x1A-M8 – 4 Filter King 24×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 59.5 x .75″ – FK24x59.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-38-x-75-fk23x38x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x38x1A-M8-4.jpg?v=1767862976 Filter King 23x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 38 x .75″ – FK23x38x1A-M8 – 4 Filter King 23x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 38 x .75″ – FK23x38x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-9-x-75-fk30-5x9x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x9x1A-M8-4.jpg?v=1767863176 Filter King 30.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 9 x .75″ – FK30.5x9x1A-M8 -4 Filter King 30.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 9 x .75″ – FK30.5x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-21-x-75-fk23-5x21x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_4abb793d-7e49-4a89-99a6-84258d8b91e9.jpg?v=1767863268 Filter King 23.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21 x .75″ – FK23.5x21x1A-M8 -4 Filter King 23.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21 x .75″ – FK23.5x21x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-20-5-x-75-fk27x20-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_c0d2610f-e4ab-46f1-9d41-7aa85924552e.jpg?v=1767863303 Filter King 27×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 20.5 x .75″ – FK27x20.5x1A-M8 – 4 Filter King 27×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 20.5 x .75″ – FK27x20.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-26-5-x-75-fk21-5-26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x9x1A-M8-4_ce78b014-d1a5-4710-836d-cbb251f1d34a.jpg?v=1767863309 Filter King 21.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 26.5 x .75″ – FK21.5×26.5x1A-M8 -4 Filter King 21.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 26.5 x .75″ – FK21.5×26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-35-x-75-fk17x35x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x35x1A-M8-4.jpg?v=1767863461 Filter King 17x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 35 x .75″ – FK17x35x1A-M8 -4 Filter King 17x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 35 x .75″ – FK17x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-25-5-x-75-fk20x25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_adb87754-4044-4b5b-b91b-20acba6e7626.jpg?v=1767863561 Filter King 20×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 25.5 x .75″ – FK20x25.5x1A-M8 -4 Filter King 20×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 25.5 x .75″ – FK20x25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-16-5-x-75-fk22-5-16-5x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x16.5x1A-M8.jpg?v=1767863582 Filter King 22.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16.5 x .75″ – FK22.5×16.5x1A-M8 Filter King 22.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16.5 x .75″ – FK22.5×16.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-5-5-x-75-fk17x5-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_043f2bb6-b310-4c86-bd54-62349bb350ce.jpg?v=1767863671 Filter King 17×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5.5 x .75″ – FK17x5.5x1A-M8 – 4 Filter King 17×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5.5 x .75″ – FK17x5.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-62-5-x-75-fk22-5-62-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x16.5x1A-M8_39d53064-625e-48c7-8737-3cd530a14092.jpg?v=1767863723 Filter King 22.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 62.5 x .75″ – FK22.5×62.5x1A-M8 -4 Filter King 22.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 62.5 x .75″ – FK22.5×62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-39-x-75-fk24x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x39x1A-M8-4.jpg?v=1767863832 Filter King 24x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39 x .75″ – FK24x39x1A-M8 -4 Filter King 24x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39 x .75″ – FK24x39x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-4-x-75-fk20x4x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_d4a0ec1d-a779-40c2-9fcd-b9c6bc621a23.avif?v=1767863894 Filter King 20x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 4 x .75″ – FK20x4x1A-M8 -4 Filter King 20x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 4 x .75″ – FK20x4x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-52-x-75-fk25x52x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_a8a6897a-aa72-4abd-875d-70f9ca3e8de5.jpg?v=1767864011 Filter King 25x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 52 x .75″ – FK25x52x1A-M8 – 4 Filter King 25x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 52 x .75″ – FK25x52x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-50-5-x-75-fk26x50-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x50.5x1A-M8-4.jpg?v=1767864023 Filter King 26×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 50.5 x .75″ – FK26x50.5x1A-M8 – 4 Filter King 26×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 50.5 x .75″ – FK26x50.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-33-x-75-fk28x33x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_b1aa1731-f106-43d8-b764-c21698823dd6.jpg?v=1767864132 Filter King 28x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 33 x .75″ – FK28x33x1A-M8 -4 Filter King 28x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 33 x .75″ – FK28x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-28-x-75-fk21-5x28x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x28x1A-M8-4.avif?v=1767864136 Filter King 21.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28 x .75″ – FK21.5x28x1A-M8 – 4 Filter King 21.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28 x .75″ – FK21.5x28x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-56-5-x-75-fk28x56-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_a1b10687-f541-4a75-90b3-6232b3cd3f48.jpg?v=1767864341 Filter King 28×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 56.5 x .75″ – FK28x56.5x1A-M8 – 4 Filter King 28×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 56.5 x .75″ – FK28x56.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-29-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-29-5-x-75-fk18x29-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x29.5x1A-M8-4.avif?v=1767864374 Filter King 18×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 29.5 x .75″ – FK18x29.5x1A-M8 – 4 Filter King 18×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 29.5 x .75″ – FK18x29.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-35-x-75-fk18-5x35x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x35x1A-M8-4.jpg?v=1767864465 Filter King 18.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 35 x .75″ – FK18.5x35x1A-M8 – 4 Filter King 18.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 35 x .75″ – FK18.5x35x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-28-x-75-fk23-5x28x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_ecd66e02-fb90-486b-a03a-3cc467a7ccb3.avif?v=1767864472 Filter King 23.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28 x .75″ – FK23.5x28x1A-M8 -4 Filter King 23.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28 x .75″ – FK23.5x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-52-5-x-75-fk28-5-52-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x52.5x1A-M8-4.jpg?v=1767864584 Filter King 28.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 52.5 x .75″ – FK28.5×52.5x1A-M8 – 4 Filter King 28.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 52.5 x .75″ – FK28.5×52.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-31-x-75-fk23-5x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_19ea2213-79bc-4f27-8aef-57f356d78ed7.avif?v=1767864666 Filter King 23.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 31 x .75″ – FK23.5x31x1A-M8 – 4 Filter King 23.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 31 x .75″ – FK23.5x31x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-40-x-75-fk23-5x40x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x40x1A-M8-4.jpg?v=1767864746 Filter King 23.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 40 x .75″ – FK23.5x40x1A-M8 – 4 Filter King 23.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 40 x .75″ – FK23.5x40x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-43-x-75-fk25x43x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_0c9adaa6-753a-4140-8e28-0c20231dbc50.avif?v=1767864761 Filter King 25x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 43 x .75″ – FK25x43x1A-M8 -4 Filter King 25x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 43 x .75″ – FK25x43x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-52-x-75-fk17x52x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x52x1A-M8-4.png?v=1767864859 Filter King 17x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 52 x .75″ – FK17x52x1A-M8 – 4 Filter King 17x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 52 x .75″ – FK17x52x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-12-5-x-75-fk8x12-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x12.5x1A-M8-4.jpg?v=1767864893 Filter King 8×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 12.5 x .75″ – FK8x12.5x1A-M8-4 Filter King 8×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 12.5 x .75″ – FK8x12.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-32-5-x-75-fk22x32-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_794edd67-80a6-4dbd-badc-84a808af05c8.jpg?v=1767865000 Filter King 22×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 32.5 x .75″ – FK22x32.5x1A-M8 – 4 Filter King 22×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 32.5 x .75″ – FK22x32.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-27-x-75-fb14x27a-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB14X27A-4.jpg?v=1767865099 Filter King 14x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 27 x .75″ – FB14X27A-4 Filter King 14x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 27 x .75″ – FB14X27A-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-12-5-x-75-fk23-5-12-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x12.5x1A-M8-4.avif?v=1767865169 Filter King 23.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 12.5 x .75″ – FK23.5×12.5x1A-M8 – 4 Filter King 23.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 12.5 x .75″ – FK23.5×12.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-52-5-x-75-fk19x52-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_1f39469f-5d8a-4197-b2d2-401f1ccc2d74.jpg?v=1767865221 Filter King 19×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 52.5 x .75″ – FK19x52.5x1A-M8 – 4 Filter King 19×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 52.5 x .75″ – FK19x52.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-62-5-x-75-fk16-5-62-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x62.5x1A-M8-4.avif?v=1767865463 Filter King 16.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 62.5 x .75″ – FK16.5×62.5x1A-M8-4 Filter King 16.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 62.5 x .75″ – FK16.5×62.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-33-5-x-75-fk13-5-33-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x33.5x1A-M8-4.jpg?v=1767865865 Filter King 13.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 33.5 x .75″ – FK13.5×33.5x1A-M8-4 Filter King 13.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 33.5 x .75″ – FK13.5×33.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-41-5-x-75-fk12x41-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x41.5x1A-M8-4.webp?v=1767866263 Filter King 12×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 41.5 x .75″ – FK12x41.5x1A-M8-4 Filter King 12×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 41.5 x .75″ – FK12x41.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-45-x-75-fk8x45x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x45x1A-M8-4.jpg?v=1767866676 Filter King 8x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 45 x .75″ – FK8x45x1A-M8-4 Filter King 8x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 45 x .75″ – FK8x45x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-21-5-x-75-fk6x21-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x21.5x1A-M8-4.jpg?v=1767866915 Filter King 6×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 21.5 x .75″ – FK6x21.5x1A-M8-4 Filter King 6×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 21.5 x .75″ – FK6x21.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-33-x-75-fk8-5x33x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x33x1A-M8-4.jpg?v=1767867186 Filter King 8.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 33 x .75″ – FK8.5x33x1A-M8-4 Filter King 8.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 33 x .75″ – FK8.5x33x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-18-5-x-75-fk14x18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x18.5x1A-M8-4.avif?v=1767867768 Filter King 14×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18.5 x .75″ – FK14x18.5x1A-M8-4 Filter King 14×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18.5 x .75″ – FK14x18.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-42-x-75-fk9-5x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x42x1A-M8-4.jpg?v=1767868158 Filter King 9.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 42 x .75″ – FK9.5x42x1A-M8-4 Filter King 9.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 42 x .75″ – FK9.5x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-27-5-x-75-fk11-5-27-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x27.5x1A-M8-4.jpg?v=1767868604 Filter King 11.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 27.5 x .75″ – FK11.5×27.5x1A-M8-4 Filter King 11.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 27.5 x .75″ – FK11.5×27.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-51-x-75-fk4-5x51x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x51x1A-M8-4.avif?v=1767869023 Filter King 4.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 51 x .75″ – FK4.5x51x1A-M8-4 Filter King 4.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 51 x .75″ – FK4.5x51x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-49-5-x-75-fk4x49-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x49.5x1A-M8-4.jpg?v=1767869605 Filter King 4×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 49.5 x .75″ – FK4x49.5x1A-M8-4 Filter King 4×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 49.5 x .75″ – FK4x49.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-27-x-75-fk10x27x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x27x1A-M8-4.jpg?v=1767870238 Filter King 10x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 27 x .75″ – FK10x27x1A-M8-4 Filter King 10x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 27 x .75″ – FK10x27x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-21-5-x-75-fb10x22-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X22-4_214ce00a-09ba-4ce1-9061-ff97fc14f0a2.jpg?v=1767870646 Filter King 10x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 21.5 x .75″ – FB10X22-4 Filter King 10x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 21.5 x .75″ – FB10X22-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-42-x-75-fk16x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x42x1A-M8-4.jpg?v=1767871031 Filter King 16x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 42 x .75″ – FK16x42x1A-M8-4 Filter King 16x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 42 x .75″ – FK16x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-45-5-x-75-fk4x45-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x45.5x1A-M8-4.jpg?v=1767871819 Filter King 4×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 45.5 x .75″ – FK4x45.5x1A-M8-4 Filter King 4×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 45.5 x .75″ – FK4x45.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-37-5-x-75-fk8x37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x37.5x1A-M8-4.jpg?v=1767872025 Filter King 8×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 37.5 x .75″ – FK8x37.5x1A-M8-4 Filter King 8×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 37.5 x .75″ – FK8x37.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-5-x-75-fk4-5x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x5x1A-M8-4.jpg?v=1767872174 Filter King 4.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 5 x .75″ – FK4.5x5x1A-M8-4 Filter King 4.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 5 x .75″ – FK4.5x5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-19-x-75-fb16x19-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X19-4.jpg?v=1767872463 Filter King 16x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 19 x .75″ – FB16X19-4 Filter King 16x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 19 x .75″ – FB16X19-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-64-5-x-75-fk6-5-64-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x64.5x1A-M8-4.jpg?v=1767872616 Filter King 6.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 64.5 x .75″ – FK6.5×64.5x1A-M8-4 Filter King 6.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 64.5 x .75″ – FK6.5×64.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-15-5-x-75-fk7-5-15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x15.5x1A-M8-4.jpg?v=1767872814 Filter King 7.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 15.5 x .75″ – FK7.5×15.5x1A-M8-4 Filter King 7.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 15.5 x .75″ – FK7.5×15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-7-5-x-75-fk15-5-7-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x7.5x1A-M8-4.jpg?v=1767872982 Filter King 15.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 7.5 x .75″ – FK15.5×7.5x1A-M8-4 Filter King 15.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 7.5 x .75″ – FK15.5×7.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-23-x-75-fk8x23x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x23x1A-M8-4.jpg?v=1767873497 Filter King 8x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 23 x .75″ – FK8x23x1A-M8-4 Filter King 8x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 23 x .75″ – FK8x23x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-13-5-x-75-fk12x13-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x13.5x1A-M8-4.jpg?v=1767874003 Filter King 12×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 13.5 x .75″ – FK12x13.5x1A-M8-4 Filter King 12×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 13.5 x .75″ – FK12x13.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-25-5-x-75-fk16x25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x25.5x1A-M8-4.jpg?v=1767874411 Filter King 16×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 25.5 x .75″ – FK16x25.5x1A-M8-4 Filter King 16×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 25.5 x .75″ – FK16x25.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-14-5-x-75-fk5-5-14-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x14.5x1A-M8-4.jpg?v=1767874725 Filter King 5.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 14.5 x .75″ – FK5.5×14.5x1A-M8-4 Filter King 5.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 14.5 x .75″ – FK5.5×14.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-48-5-x-75-fk13-5-48-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x48.5x1A-M8-4.avif?v=1767875344 Filter King 13.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 48.5 x .75″ – FK13.5×48.5x1A-M8-4 Filter King 13.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 48.5 x .75″ – FK13.5×48.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-40-5-x-75-fk14x40-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x40.5x1A-M8-4.jpg?v=1767875973 Filter King 14×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 40.5 x .75″ – FK14x40.5x1A-M8-4 Filter King 14×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 40.5 x .75″ – FK14x40.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-59-5-x-75-fk14x59-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x59.5x1A-M8-4.jpg?v=1767876349 Filter King 14×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 59.5 x .75″ – FK14x59.5x1A-M8-4 Filter King 14×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 59.5 x .75″ – FK14x59.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-30-5-x-75-fk9x30-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x30.5x1A-M8-4.jpg?v=1767877837 Filter King 9×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 30.5 x .75″ – FK9x30.5x1A-M8-4 Filter King 9×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 30.5 x .75″ – FK9x30.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-64-x-75-fk11-5x64x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x64x1A-M8-4.jpg?v=1767878157 Filter King 11.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 64 x .75″ – FK11.5x64x1A-M8-4 Filter King 11.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 64 x .75″ – FK11.5x64x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-32-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23x32-1.jpg?v=1767879104 Filter King 23×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32.5 x .75″ Filter King 23×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-35-5-x-75-fk30-5-35-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/30535.jpg?v=1767879330 Filter King 30.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 35.5 x .75″ – FK30.5×35.5x1A-M8 -4 Filter King 30.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 35.5 x .75″ – FK30.5×35.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-21-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25x21.jpg?v=1767880457 Filter King 25×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 21.5 x .75″ Filter King 25×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 21.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-15-x-75-fk7x15x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x15x1A-M8-4_1_ec421561-b8ff-4e43-820e-b31e5c701daa.jpg?v=1767881073 Filter King 7x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 15 x .75″ – FK7x15x1A-M8-4 Filter King 7x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 15 x .75″ – FK7x15x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x20x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-19-5-x-75-fb10x20-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_d3e426fa-70b6-4ef2-aef6-74d8150c8a89.jpg?v=1767885767 Filter King 10x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 19.5 x .75″ – FB10X20 -12 Filter King 10x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 19.5 x .75″ – FB10X20 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x22x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-21-5-x-75-fb17x22-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3.jpg?v=1767886005 Filter King 17x22x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21.5 x .75″ – FB17X22 -12 Filter King 17x22x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21.5 x .75″ – FB17X22 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-58-x-75-fk24x58x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_722ab388-e2c7-449b-81d3-685ed4819e9b.png?v=1767886080 Filter King 24x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 58 x .75″ – FK24x58x1A-M8 -4 Filter King 24x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 58 x .75″ – FK24x58x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-34-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x34.jpg?v=1767930364 Filter King 19.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34 x .75″ Filter King 19.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-24-5-x-75-fk7-5-24-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x24.5x1A-M8-4.jpg?v=1767930548 Filter King 7.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 24.5 x .75″ – FK7.5×24.5x1A-M8-4 Filter King 7.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 24.5 x .75″ – FK7.5×24.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-17-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x17_fe2e88e6-43be-4b0b-a52d-885b8daf83a4.webp?v=1767930910 Filter King 28.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 17.5 x .75″ Filter King 28.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 17.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-44-x-75-fk8-5x44x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x44x1A-M8-4.jpg?v=1767931114 Filter King 8.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 44 x .75″ – FK8.5x44x1A-M8-4 Filter King 8.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 44 x .75″ – FK8.5x44x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-33-5-x-75-fk10x33-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x33.5x1A-M8-4.jpg?v=1767931447 Filter King 10×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 33.5 x .75″ – FK10x33.5x1A-M8-4 Filter King 10×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 33.5 x .75″ – FK10x33.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-58-5-x-75-fk10-5-58-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x58.5x1A-M8-4.jpg?v=1767931957 Filter King 10.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 58.5 x .75″ – FK10.5×58.5x1A-M8-4 Filter King 10.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 58.5 x .75″ – FK10.5×58.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-18-5-x-75-fk19x18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x18.5x1A-M8-4.jpg?v=1767932117 Filter King 19×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18.5 x .75″ – FK19x18.5x1A-M8 -4 Filter King 19×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18.5 x .75″ – FK19x18.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-56-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x56.webp?v=1767932232 Filter King 27.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 56.5 x .75″ Filter King 27.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 56.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-53-5-x-75-fk26x53-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x53.5x1A-M8-4.jpg?v=1767932277 Filter King 26×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 53.5 x .75″ – FK26x53.5x1A-M8 -4 Filter King 26×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 53.5 x .75″ – FK26x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-23-5-x-75-fk16x23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x23.5x1A-M8-4.jpg?v=1767932362 Filter King 16×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 23.5 x .75″ – FK16x23.5x1A-M8-4 Filter King 16×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 23.5 x .75″ – FK16x23.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-5-x-75-fk24x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x5x1A-M8-4.jpg?v=1767932416 Filter King 24x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 5 x .75″ – FK24x5x1A-M8 -4 Filter King 24x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 5 x .75″ – FK24x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x35x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-34-5-x-1-75-fk20x35x2-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1_da73dd09-aa97-4f86-abfe-f4b48e4f217d.jpg?v=1767932430 Filter King 20x35x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34.5 x 1.75″ – FK20x35x2-M8 -12 Filter King 20x35x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34.5 x 1.75″ – FK20x35x2-M8 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-24-5-x-75-fb16x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_c9169e82-c0a5-44ff-b0ac-656978795e8b.jpg?v=1767932459 Filter King 16x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75″ – FB16X25 -12 Filter King 16x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75″ – FB16X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-26-x-75-fk20-5x26x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x26x1A-M8-4.jpg?v=1767932510 Filter King 20.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 26 x .75″ – FK20.5x26x1A-M8-4 Filter King 20.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 26 x .75″ – FK20.5x26x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-32-5-x-75-fk20x32-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x32.5x1A-M8-4.avif?v=1767932635 Filter King 20×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 32.5 x .75″ – FK20x32.5x1A-M8 -4 Filter King 20×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 32.5 x .75″ – FK20x32.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-19-5-x-75-fk27x19-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x19.5x1A-M8-4.jpg?v=1767932752 Filter King 27×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 19.5 x .75″ – FK27x19.5x1A-M8-4 Filter King 27×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 19.5 x .75″ – FK27x19.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x30x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-29-5-x-75-fb28x30-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_83848fd5-cee0-487d-80c2-4744133fb3c6.jpg?v=1767932811 Filter King 28x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 29.5 x .75″ – FB28X30 -12 Filter King 28x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 29.5 x .75″ – FB28X30 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x36x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-35-5-x-1-75-fb12x36x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2_dc6b934f-c051-48dc-8121-da23eb15f0fe.jpg?v=1767932798 Filter King 12x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 35.5 x 1.75″ – FB12X36X2 -12 Filter King 12x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 35.5 x 1.75″ – FB12X36X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-27-x-75-fk15x27x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x27x1A-M8-4.jpg?v=1767932967 Filter King 15x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 27 x .75″ – FK15x27x1A-M8-4 Filter King 15x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 27 x .75″ – FK15x27x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x25x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-25-x-1-75-fb15x25x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/3_b329f801-dc87-4efc-bc50-a74a5a2c0ff8.jpg?v=1767933142 Filter King 15x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 25 x 1.75″ – FB15X25X2 -12 Filter King 15x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 25 x 1.75″ – FB15X25X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x27x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-27-x-1-75-fb19x27x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_c6951bf2-f1df-4c9e-bb68-eee932a98154.jpg?v=1767933157 Filter King 19x27x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 27 x 1.75″ – FB19X27X2 -12 Filter King 19x27x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 27 x 1.75″ – FB19X27X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-15-x-75-fk19x15x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x15x1A-M8-4_1.jpg?v=1767933240 Filter King 19x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 15 x .75″ – FK19x15x1A-M8 -4 Filter King 19x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 15 x .75″ – FK19x15x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-36-x-75-fk15-5x36x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x36x1A-M8-4.jpg?v=1767933288 Filter King 15.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 36 x .75″ – FK15.5x36x1A-M8-4 Filter King 15.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 36 x .75″ – FK15.5x36x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-10-5-x-75-fk19-5-10-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x10.5x1A-M8-4.jpg?v=1767933368 Filter King 19.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10.5 x .75″ – FK19.5×10.5x1A-M8 -4 Filter King 19.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10.5 x .75″ – FK19.5×10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x30x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-29-5-x-75-fb24x30-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/4_64842901-7a07-4041-a90c-f4a9274c7c6f.jpg?v=1767933448 Filter King 24x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75″ – FB24X30 -12 Filter King 24x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75″ – FB24X30 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x24x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-23-5-x-75-fb18x24-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_20612a28-3379-4352-b980-2f5682421605.jpg?v=1767933494 Filter King 18x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75″ – FB18X24-12 Filter King 18x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75″ – FB18X24-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-17-x-75-fk9-5x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x17x1A-M8-4.jpg?v=1767933545 Filter King 9.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 17 x .75″ – FK9.5x17x1A-M8-4 Filter King 9.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 17 x .75″ – FK9.5x17x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x29x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-28-5-x-1-75-fb25x29x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/5_f4bd79d1-11f7-4f7e-b6d1-d6056c215e72.jpg?v=1767933762 Filter King 25x29x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x 1.75″ – FB25X29X2 -12 Filter King 25x29x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x 1.75″ – FB25X29X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x20x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-19-5-x-75-fb18x20-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_cc7e22aa-e1e5-46b2-b396-6d3c8070fdba.jpg?v=1767933776 Filter King 18x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75″ – FB18X20 -12 Filter King 18x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75″ – FB18X20 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-65-x-75-fk13-5x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x65x1A-M8-4.jpg?v=1767933986 Filter King 13.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 65 x .75″ – FK13.5x65x1A-M8-4 Filter King 13.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 65 x .75″ – FK13.5x65x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x20x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-19-5-x-1-75-fb17x20x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/6_c112d29e-c27f-407e-9ca8-8b0ecc793800.jpg?v=1767934055 Filter King 17x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x 1.75″ – FB17X20X2 -12 Filter King 17x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x 1.75″ – FB17X20X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-24-5-x-75-fb18x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_5b53602f-a2b4-4249-a8d5-428d6c8ee03d.jpg?v=1767934134 Filter King 18x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75″ – FB18X25 -12 Filter King 18x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75″ – FB18X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x21x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-20-5-x-75-fb19x21-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/7_838fd5ce-cee5-47c9-823a-fc28cda451dc.jpg?v=1767934400 Filter King 19x21x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75″ – FB19X21-12 Filter King 19x21x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75″ – FB19X21-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x36x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-35-5-x-1-75-fb30x36x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_03d1f68e-d1c5-4221-9187-d0533d0d2fba.jpg?v=1767934433 Filter King 30x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 35.5 x 1.75″ – FB30X36X2 -12 Filter King 30x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 35.5 x 1.75″ – FB30X36X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-66-x-75-fk5-5x66x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x66x1A-M8-4.jpg?v=1767934471 Filter King 5.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 66 x .75″ – FK5.5x66x1A-M8-4 Filter King 5.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 66 x .75″ – FK5.5x66x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-53-x-75-fk6x53x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x53x1A-M8-4.jpg?v=1767934741 Filter King 6x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 53 x .75″ – FK6x53x1A-M8-4 Filter King 6x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 53 x .75″ – FK6x53x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-24-5-x-75-fb12x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_391d627a-097e-4b3b-a556-a24fdcabde65.jpg?v=1767934766 Filter King 12x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 24.5 x .75″ – FB12X25 -12 Filter King 12x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 24.5 x .75″ – FB12X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x30x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-29-5-x-75-fb30x30-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/8_335926c8-88ea-4614-aa5c-d41255d89d64.jpg?v=1767934792 Filter King 30x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29.5 x .75″ – FB30X30 -12 Filter King 30x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29.5 x .75″ – FB30X30 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x14x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-13-5-x-1-75-fb14x14x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_1328d3d7-a273-4a65-981c-890d601ae1e4.jpg?v=1767935117 Filter King 14x14x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13.5 x 1.75″ – FB14X14X2 -12 Filter King 14x14x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13.5 x 1.75″ – FB14X14X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x28x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-27-5-x-75-fb10x28-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_9380c6de-cd7d-45ab-b394-4440741c56eb.jpg?v=1767935121 Filter King 10x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 27.5 x .75″ – FB10X28 -12 Filter King 10x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 27.5 x .75″ – FB10X28 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-6-x-75-fk8x6x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x6x1A-M8-4.avif?v=1767935185 Filter King 8x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 6 x .75″ – FK8x6x1A-M8-4 Filter King 8x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 6 x .75″ – FK8x6x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-52-5-x-75-fk25-5-52-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x52.5x1A-M8-4.avif?v=1767935228 Filter King 25.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 52.5 x .75″ – FK25.5×52.5x1A-M8 -4 Filter King 25.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 52.5 x .75″ – FK25.5×52.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x25x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-24-5-x-1-75-fb18x25x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_c9029fc4-79cf-4829-9b49-7f97075f4590.jpg?v=1767935460 Filter King 18x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x 1.75″ – FB18X25X2 -12 Filter King 18x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x 1.75″ – FB18X25X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x36x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-35-5-x-1-75-fb18x36x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/JJJ_c78126b1-606b-411a-bb06-bb8107af91a8.jpg?v=1767935468 Filter King 18x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35.5 x 1.75″ – FB18X36X2-12 Filter King 18x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35.5 x 1.75″ – FB18X36X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-39-x-75-fk9x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x39x1A-M8-4.jpg?v=1767935556 Filter King 9x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 39 x .75″ – FK9x39x1A-M8 -4 Filter King 9x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 39 x .75″ – FK9x39x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-55-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x55x1A-M8-4.jpg?v=1767935618 Filter King 23x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 55 x .75″ – Filter King 23x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 55 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x23x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-22-5-x-1-75-fb20x23x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_d287863d-24d5-4277-b11a-4cb68a664830.jpg?v=1767935828 Filter King 20x23x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 22.5 x 1.75″ – FB20X23X2-12 Filter King 20x23x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 22.5 x 1.75″ – FB20X23X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-42-5-x-75-fk22x42-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x42.5x1A-M8-4-Copy.jpg?v=1767935869 Filter King 22×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 42.5 x .75″ – FK22x42.5x1A-M8 -4 Filter King 22×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 42.5 x .75″ – FK22x42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-36-x-75-fk6x36x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x36x1A-M8-4.jpg?v=1767935977 Filter King 6x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 36 x .75″ – FK6x36x1A-M8-4 Filter King 6x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 36 x .75″ – FK6x36x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-11-5-x-75-fk17x11-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x11.5x1A-M8-4.jpg?v=1767936192 Filter King 17×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 11.5 x .75″ – FK17x11.5x1A-M8 -4 Filter King 17×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 11.5 x .75″ – FK17x11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-43-5-x-75-fk9x43-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x43.5x1A-M8-4.jpg?v=1767936342 Filter King 9×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 43.5 x .75″ – FK9x43.5x1A-M8-4 Filter King 9×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 43.5 x .75″ – FK9x43.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-30-5-x-75-fk24x30-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x30.5x1A-M8-4.avif?v=1767936359 Filter King 24×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 30.5 x .75″ – FK24x30.5x1A-M8 -4 Filter King 24×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 30.5 x .75″ – FK24x30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x15x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-14-5-x-75-fb10x15-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_0f7bdbbe-f2ed-44df-bd5e-159b6bb9c8e1.jpg?v=1767936473 Filter King 10x15x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x .75″ – FB10X15 -12 Filter King 10x15x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x .75″ – FB10X15 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-13-5-x-75-fk27-5-13-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x13.5x1A-M8-4.jpg?v=1767936497 Filter King 27.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 13.5 x .75″ – FK27.5×13.5x1A-M8 -4 Filter King 27.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 13.5 x .75″ – FK27.5×13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-42-5-x-75-fk11x42-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x42.5x1A-M8-4.jpg?v=1767936580 Filter King 11×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 42.5 x .75″ – FK11x42.5x1A-M8-4 Filter King 11×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 42.5 x .75″ – FK11x42.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-18-5-x-75-fk20x18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x18.5x1A-M8-4.avif?v=1767936651 Filter King 20×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18.5 x .75″ – FK20x18.5x1A-M8 -4 Filter King 20×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18.5 x .75″ – FK20x18.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x36x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-35-5-x-1-75-fb16x36x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_d90b6a24-f216-48d3-804d-fd8f360265cb.jpg?v=1767936707 Filter King 16x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 35.5 x 1.75″ – FB16X36X2 -12 Filter King 16x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 35.5 x 1.75″ – FB16X36X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x30x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-29-5-x-1-75-5-0-fb10x30x2n-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_1e96caab-df3f-448e-9c94-a8c4ceb22e64.jpg?v=1767936828 Filter King 10x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x 1.75″ (5.0) – FB10X30X2N-12 Filter King 10x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x 1.75″ (5.0) – FB10X30X2N-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-62-x-75-fk17-5x62x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x62x1A-M8-4_1.avif?v=1767936836 Filter King 17.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62 x .75″ – FK17.5x62x1A-M8 -4 Filter King 17.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62 x .75″ – FK17.5x62x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-65-x-75-fk11x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x65x1A-M8-4.jpg?v=1767936959 Filter King 11x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 65 x .75″ – FK11x65x1A-M8-4 Filter King 11x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 65 x .75″ – FK11x65x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-37-5-x-75-fk22x37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x37.5x1A-M8-4.avif?v=1767936969 Filter King 22×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 37.5 x .75″ – FK22x37.5x1A-M8 -4 Filter King 22×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 37.5 x .75″ – FK22x37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x25x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-24-5-x-1-75-fkfb10x25x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_893d664a-4348-4c87-a8cb-16ad0bd5eb49.jpg?v=1767936978 Filter King 10x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x 1.75″ – FKFB10X25X2 -12 Filter King 10x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x 1.75″ – FKFB10X25X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-17-x-75-fk22x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x17x1A-M8-4.jpg?v=1767937126 Filter King 22x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 17 x .75″ – FK22x17x1A-M8 -4 Filter King 22x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 17 x .75″ – FK22x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x20x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-19-5-x-75-fb14x20-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_c2dd0819-38fe-4d9a-ac32-ca681f1254dc.jpg?v=1767937190 Filter King 14x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75″ – FB14X20–12 Filter King 14x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75″ – FB14X20–12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-43-5-x-75-fk23-5-43-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x43.5x1A-M8-4.avif?v=1767937281 Filter King 23.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 43.5 x .75″ – FK23.5×43.5x1A-M8 -4 Filter King 23.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 43.5 x .75″ – FK23.5×43.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x15x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-14-5-x-75-fb12x15x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_1e649e8e-cb2e-48cf-a078-6dc49f87c3fb.jpg?v=1767937310 Filter King 12x15x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 14.5 x .75″ – FB12X15X2 -12 Filter King 12x15x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 14.5 x .75″ – FB12X15X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-62-5-x-75-fk13x62-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x62.5x1A-M8-4.jpg?v=1767937401 Filter King 13×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 62.5 x .75″ – FK13x62.5x1A-M8-4 Filter King 13×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 62.5 x .75″ – FK13x62.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-30-x-75-fk19x30x1-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x30x1-M8-4_7207dd44-bbb0-4b97-b0c3-5c0ce1d537f3.jpg?v=1767937514 Filter King 19x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 30 x .75″ – FK19x30x1-M8 -4 Filter King 19x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 30 x .75″ – FK19x30x1-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-5-x-75-fb24x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_46fec5b3-5d53-4e2c-87cc-1180424435bb.jpg?v=1767937576 Filter King 24x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x .75″ – FB24X25 -12 Filter King 24x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x .75″ – FB24X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x28x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-27-5-x-75-fb24x28-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_c472ffc6-8e24-4f7d-9da7-3276cda8f8b4.jpg?v=1767937580 Filter King 24x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 27.5 x .75″ – FB24X28-12 Filter King 24x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 27.5 x .75″ – FB24X28-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-14-x-75-fk25-5x14x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x14x1A-M8-4.png?v=1767937649 Filter King 25.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 14 x .75″ – FK25.5x14x1A-M8 -4 Filter King 25.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 14 x .75″ – FK25.5x14x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-37-x-75-fk24-5x37x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x37x1A-M8-4.jpg?v=1767937776 Filter King 24.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 37 x .75″ – FK24.5x37x1A-M8 -4 Filter King 24.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 37 x .75″ – FK24.5x37x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x27x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-26-5-x-1-75-fb27x27x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_76027220-2e6e-495d-9944-42ae35383699.jpg?v=1767937818 Filter King 27x27x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 26.5 x 1.75″ – FB27X27X2 -12 Filter King 27x27x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 26.5 x 1.75″ – FB27X27X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x21x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-20-5-1-75-fb16x21x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_17fe5fdc-2ea6-4f7b-9905-6c6315bd5696.jpg?v=1767937880 Filter King 16x21x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5×20.5×1.75″ – FB16X21X2-12 Filter King 16x21x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5×20.5×1.75″ – FB16X21X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-49-5-x-75-fk14x49-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x49.5x1A-M8-4.jpg?v=1767937898 Filter King 14×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 49.5 x .75″ – FK14x49.5x1A-M8-4 Filter King 14×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 49.5 x .75″ – FK14x49.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-33-x-75-fk24x33x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x33x1A-M8-4_1.jpg?v=1767937914 Filter King 24x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 33 x .75″ – FK24x33x1A-M8 -4 Filter King 24x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 33 x .75″ – FK24x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-66-x-75-fk15-5x66x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x66x1A-M8-4.jpg?v=1767950968 Filter King 15.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 66 x .75″ – FK15.5x66x1A-M8-4 Filter King 15.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 66 x .75″ – FK15.5x66x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-47-x-75-fk10x47x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x47x1A-M8-4.jpg?v=1767951362 Filter King 10x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 47 x .75″ – FK10x47x1A-M8-4 Filter King 10x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 47 x .75″ – FK10x47x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-7-x-75-fk14x7x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x7x1A-M8-4.avif?v=1767951379 Filter King 14x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 7 x .75″ – FK14x7x1A-M8-4 Filter King 14x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 7 x .75″ – FK14x7x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-60-5-x-75-fk8-5-60-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x60.5x1A-M8-4.jpg?v=1767951457 Filter King 8.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 60.5 x .75″ – FK8.5×60.5x1A-M8-4 Filter King 8.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 60.5 x .75″ – FK8.5×60.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-65-x-75-fk7x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x65x1A-M8-4.jpg?v=1767951541 Filter King 7x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 65 x .75″ – FK7x65x1A-M8-4 Filter King 7x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 65 x .75″ – FK7x65x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-16-5-x-75-fk10x16-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x16.5x1A-M8-4.jpg?v=1767951616 Filter King 10×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 16.5 x .75″ – FK10x16.5x1A-M8-4 Filter King 10×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 16.5 x .75″ – FK10x16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-39-5-x-75-fk16-5-39-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x39.5x1A-M8-4.jpg?v=1767951724 Filter King 16.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 39.5 x .75″ – FK16.5×39.5x1A-M8-4 Filter King 16.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 39.5 x .75″ – FK16.5×39.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-8-5-x-75-fk8-5-8-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x8.5x1A-M8-4.avif?v=1767951761 Filter King 8.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 8.5 x .75″ – FK8.5×8.5x1A-M8-4 Filter King 8.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 8.5 x .75″ – FK8.5×8.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-59-x-75-fk7x59x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x59x1A-M8-12.jpg?v=1767951847 Filter King 7x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 59 x .75″ – FK7x59x1A-M8-12 Filter King 7x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 59 x .75″ – FK7x59x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-27-5-x-75-fk22-5-27-5x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x48.5x1A-M8-4_410b5a02-4f38-4bd0-b391-b9d42819c336.avif?v=1767951914 Filter King 22.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 27.5 x .75″ – FK22.5×27.5x1A-M8 -4 Filter King 22.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 27.5 x .75″ – FK22.5×27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x22x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-21-5-x-1-75-fb17x22x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB17X22X2-12.png?v=1767951994 Filter King 17x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21.5 x 1.75″ – FB17X22X2 -12 Filter King 17x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21.5 x 1.75″ – FB17X22X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-57-5-x-75-fk10-5-57-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x57.5x1A-M8-4.avif?v=1767952083 Filter King 10.5×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 57.5 x .75″ – FK10.5×57.5x1A-M8-4 Filter King 10.5×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 57.5 x .75″ – FK10.5×57.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-9-5-x-75-fk15x9-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x9.5x1A-M8-12.jpg?v=1767952148 Filter King 15×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 9.5 x .75″ – FK15x9.5x1A-M8-12 Filter King 15×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 9.5 x .75″ – FK15x9.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-51-x-75-fk9-5x51x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x51x1A-M8-12.jpg?v=1767952264 Filter King 9.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 51 x .75″ – FK9.5x51x1A-M8-12 Filter King 9.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 51 x .75″ – FK9.5x51x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-16-5-x-75-fk22x16-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x16.5x1A-M8-4.jpg?v=1767952299 Filter King 22×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 16.5 x .75″ – FK22x16.5x1A-M8 -4 Filter King 22×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 16.5 x .75″ – FK22x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-34-x-75-fk28x34x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x34x1A-M8-4.avif?v=1767952386 Filter King 28x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 34 x .75″ – FK28x34x1A-M8 -4 Filter King 28x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 34 x .75″ – FK28x34x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-43-x-75-fk11-5x43x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x43x1A-M8-12.jpg?v=1767952456 Filter King 11.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 43 x .75″ – FK11.5x43x1A-M8-12 Filter King 11.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 43 x .75″ – FK11.5x43x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-24-5-x-75-fk28-5-24-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x34x1A-M8-4_53c28ba4-1952-431b-badb-210877835162.avif?v=1767952542 Filter King 28.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 24.5 x .75″ – FK28.5×24.5x1A-M8 -4 Filter King 28.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 24.5 x .75″ – FK28.5×24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-35-5-x-75-fk27-5-35-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x35.5x1A-M8-4.avif?v=1767952629 Filter King 27.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 35.5 x .75″ – FK27.5×35.5x1A-M8 -4 Filter King 27.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 35.5 x .75″ – FK27.5×35.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-63-x-75-fk11x63x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x63x1A-M8-12.jpg?v=1767954449 Filter King 11x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 63 x .75″ – FK11x63x1A-M8-12 Filter King 11x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 63 x .75″ – FK11x63x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-60-5-x-75-fk15x60-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x60.5x1A-M8-4-2.jpg?v=1767954525 Filter King 15×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 60.5 x .75″ – FK15x60.5x1A-M8-4 Filter King 15×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 60.5 x .75″ – FK15x60.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-32-x-75-fk17x32x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x32x1A-M8-4.jpg?v=1767952755 Filter King 17x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 32 x .75″ – FK17x32x1A-M8 -4 Filter King 17x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 32 x .75″ – FK17x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-60-5-x-75-fk15-5-60-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x60.5x1A-M8-12.jpg?v=1767952816 Filter King 15.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 60.5 x .75″ – FK15.5×60.5x1A-M8-12 Filter King 15.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 60.5 x .75″ – FK15.5×60.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x24x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-23-5-x-75-fb20x24x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x48.5x1A-M8-4_797d6457-f58b-44a0-bb58-4465d00e295e.avif?v=1767953026 Filter King 20x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 23.5 x .75″ – FB20X24X2-12 Filter King 20x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 23.5 x .75″ – FB20X24X2-12 WholesaleHVACDirect 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Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 22 x .75″ – FK18.5x22x1A-M8 -4 Filter King 18.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 22 x .75″ – FK18.5x22x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-24-x-75-fk8-5x24x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x24x1A-M8-12.jpg?v=1767955896 Filter King 8.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 24 x .75″ – FK8.5x24x1A-M8-12 Filter King 8.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 24 x .75″ – FK8.5x24x1A-M8-12 WholesaleHVACDirect 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HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 11.5 x .75″ – FK24.5×11.5x1A-M8 -4 Filter King 24.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 11.5 x .75″ – FK24.5×11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-23-x-75-fk25-5x23x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x23x1A-M8-4.jpg?v=1767957415 Filter King 25.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23 x .75″ – FK25.5x23x1A-M8 -4 Filter King 25.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23 x .75″ – FK25.5x23x1A-M8 -4 WholesaleHVACDirect 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Filter King 18x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″ – FB18X18X2-12 Filter King 18x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″ – FB18X18X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-9-x-75-fk25x9x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x9x1A-M8-4.avif?v=1767961005 Filter King 25x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9 x .75″ – FK25x9x1A-M8 -4 Filter King 25x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9 x .75″ – FK25x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-28-x-75-fk19-5x28x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x28x1A-M8-4.jpg?v=1767961137 Filter King 19.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 28 x .75″ – FK19.5x28x1A-M8 -4 Filter King 19.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 28 x .75″ – FK19.5x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-22-x-75-fk12-5x22x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x22x1A-M8-12.jpg?v=1767961657 Filter King 12.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 22 x .75″ – FK12.5x22x1A-M8-12 Filter King 12.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 22 x .75″ – FK12.5x22x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x36x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-35-5-x-75-fb20x36a-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x48.5x1A-M8-4_74817ad5-5f23-49da-9709-4faee28e3be7.avif?v=1767961252 Filter King 20x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75″ – FB20X36A-12 Filter King 20x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75″ – FB20X36A-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-44-5-x-75-fk30-5-44-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x44.5x1A-M8-4.jpg?v=1767961365 Filter King 30.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 44.5 x .75″ – FK30.5×44.5x1A-M8 -4 Filter King 30.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 44.5 x .75″ – FK30.5×44.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-21-5-x-75-fk7x21-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x21.5x1A-M8-12.jpg?v=1768019636 Filter King 7×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 21.5 x .75″ – FK7x21.5x1A-M8-12 Filter King 7×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 21.5 x .75″ – FK7x21.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-30-x-75-fk8-5x30x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x30x1A-M8-12.jpg?v=1768020082 Filter King 8.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 30 x .75″ – FK8.5x30x1A-M8-12 Filter King 8.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 30 x .75″ – FK8.5x30x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-43-5-x-75-fk10x43-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x43.5x1A-M8-12.avif?v=1768020646 Filter King 10×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 43.5 x .75″ – FK10x43.5x1A-M8-12 Filter King 10×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 43.5 x .75″ – FK10x43.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-11-x-75-fk13x11x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x11x1A-M8-12.jpg?v=1768021132 Filter King 13x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 11 x .75″ – FK13x11x1A-M8-12 Filter King 13x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 11 x .75″ – FK13x11x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x36x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-35-5-x-75-fkfb14x36-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_f9e8ef8d-98c9-4408-8ef1-629c9d4184aa.jpg?v=1768022700 Filter King 14x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 35.5 x .75″ – FKFB14X36-12 Filter King 14x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 35.5 x .75″ – FKFB14X36-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-15-x-75-fk26x15x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x15x1A-M8-4.jpg?v=1768022822 Filter King 26x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 15 x .75″ – FK26x15x1A-M8 -4 Filter King 26x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 15 x .75″ – FK26x15x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x24x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-23-5-x-75-fb10x24-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_49abcea8-b3cb-412c-9ccc-c17cba6cf2ae.jpg?v=1768023090 Filter King 10x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FB10X24-12 Filter King 10x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FB10X24-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-25-5-x-75-fk17x26x1-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x26x1-M8-4.jpg?v=1768023202 Filter King 17x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 25.5 x .75″ – FK17x26x1-M8 -4 Filter King 17x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 25.5 x .75″ – FK17x26x1-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x24x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-5-x-75-fb24x24-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_66534f7b-2a7e-490e-ab45-7a799906b075.jpg?v=1768023560 Filter King 24x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75″ – FB24X24-12 Filter King 24x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75″ – FB24X24-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-51-x-75-fk24x51x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x51x1A-M8-4.jpg?v=1768023673 Filter King 24x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 51 x .75″ – FK24x51x1A-M8 -4 Filter King 24x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 51 x .75″ – FK24x51x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-63-x-75-fk26x63x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x63x1A-M8-4.webp?v=1768024030 Filter King 26x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 63 x .75″ – FK26x63x1A-M8 -4 Filter King 26x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 63 x .75″ – FK26x63x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x24x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-23-5-x-75-fb14x24-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_efc6b62f-823f-4276-9bd8-5950a8014a16.jpg?v=1768024041 Filter King 14x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x .75″ – FB14X24 -12 Filter King 14x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x .75″ – FB14X24 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-30-x-75-fk22x30x1-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x30x1-M8-4.jpg?v=1768024318 Filter King 22x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 30 x .75″ – FK22x30x1-M8 -4 Filter King 22x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 30 x .75″ – FK22x30x1-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x29x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-28-5-x-75-fb29x29-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_59d2f1d6-ada8-422d-88af-cc4976dac728.jpg?v=1768024330 Filter King 29x29x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 28.5 x .75″ – FB29X29-12 Filter King 29x29x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 28.5 x .75″ – FB29X29-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x27x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-26-5-x-75-fb12x27-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_d4e484c6-9c6b-4be5-9ce7-5cbd8664d356.jpg?v=1768024878 Filter King 12x27x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 26.5 x .75″ – FB12X27 -12 Filter King 12x27x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 26.5 x .75″ – FB12X27 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-60-5-x-75-fk27x60-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x60.5x1A-M8-4.jpg?v=1768024903 Filter King 27×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 60.5 x .75″ – FK27x60.5x1A-M8 -4 Filter King 27×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 60.5 x .75″ – FK27x60.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-30-5-x-75-fk21x30-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x30.5x1A-M8-4.jpg?v=1768026347 Filter King 21×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 30.5 x .75″ – FK21x30.5x1A-M8 -4 Filter King 21×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 30.5 x .75″ – FK21x30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x24x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-23-5-x-1-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_fd700023-43ec-4113-8b01-f6e5f7f7ef98.jpg?v=1768026352 Filter King 16x24x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x 1.75″ Filter King 16x24x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x20x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-19-5-x-1-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_828b3b90-5529-4b10-89ff-10ed6cc18410.jpg?v=1768026810 Filter King 18x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x 1.75″ Filter King 18x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-46-x-75-fk23x46x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x46x1A-M8-4.avif?v=1768026813 Filter King 23x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 46 x .75″ – FK23x46x1A-M8 -4 Filter King 23x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 46 x .75″ – FK23x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x30x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-29-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_abfeb959-56e7-451a-a582-4789dcde96d2.jpg?v=1768027290 Filter King 12x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x .75″ Filter King 12x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-11-x-75-fk20x11x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x11x1A-M8-4_1.jpg?v=1768027295 Filter King 20x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 11 x .75″ – FK20x11x1A-M8 -4 Filter King 20x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 11 x .75″ – FK20x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x27x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-26-5-1-75-fb16x27x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_7cbbd111-5f7a-40f2-88e6-515c677ffbb1.jpg?v=1768028065 Filter King 16x27x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5×26.5×1.75″ – FB16X27X2 -12 Filter King 16x27x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5×26.5×1.75″ – FB16X27X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-24-5-x-75-fk28x24-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x24.5x1A-M8-4.jpg?v=1768028139 Filter King 28×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24.5 x .75″ – FK28x24.5x1A-M8 -4 Filter King 28×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24.5 x .75″ – FK28x24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-47-x-75-fk23-5x47x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x47x1A-M8-4.jpg?v=1768028630 Filter King 23.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47 x .75″ – FK23.5x47x1A-M8 -4 Filter King 23.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47 x .75″ – FK23.5x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-47-x-75-fk23-5x47x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x47x1A-M8-4_1.jpg?v=1768029151 Filter King 23.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47 x .75″ – FK23.5x47x1A-M8 -4 Filter King 23.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47 x .75″ – FK23.5x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x25x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-24-5-x-1-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_d1c5ef13-cea1-4c33-ac4e-b242764ef530.jpg?v=1768029155 Filter King 14x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 24.5 x 1.75″ Filter King 14x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 24.5 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-11-5-x-75-fk26-5-11-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x11.5x1A-M8-4-1.jpg?v=1768029712 Filter King 26.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 11.5 x .75″ – FK26.5×11.5x1A-M8 -4 Filter King 26.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 11.5 x .75″ – FK26.5×11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x30x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-29-5-x-1-75-fb15x30x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_1de05f97-22e4-4a49-b4e2-4ebf4d499f80.jpg?v=1768029717 Filter King 15x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 29.5 x 1.75″ – FB15X30X2-12 Filter King 15x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 29.5 x 1.75″ – FB15X30X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-22-x-75-fb18x22-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB18X22-4-1.jpg?v=1768030078 Filter King 18x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 22 x .75″ – FB18X22 -4 Filter King 18x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 22 x .75″ – FB18X22 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-38-5-x-75-fk28x38-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x38.5x1A-M8-4.jpg?v=1768032181 Filter King 28×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 38.5 x .75″ – FK28x38.5x1A-M8 -4 Filter King 28×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 38.5 x .75″ – FK28x38.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x23x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-23-x-75-fk23x23x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_d1ea829b-416b-46ec-b741-71c57cee3088.jpg?v=1768032676 Filter King 23x23x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 23 x .75″ – FK23x23x1A-M8-12 Filter King 23x23x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 23 x .75″ – FK23x23x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-66-x-75-fk26-5x66x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x66x1A-M8-4.avif?v=1768032743 Filter King 26.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 66 x .75″ – FK26.5x66x1A-M8 -4 Filter King 26.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 66 x .75″ – FK26.5x66x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x24x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-23-5-x-75-fb16x24-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_adad7f3a-74e5-4421-ba17-d2b826a2bcb0.jpg?v=1768033588 Filter King 16x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x .75″ – FB16X24-12 Filter King 16x24x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x .75″ – FB16X24-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-40-5-x-75-fk20x40-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x40.5x1A-M8-4.jpg?v=1768033618 Filter King 20×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 40.5 x .75″ – FK20x40.5x1A-M8 -4 Filter King 20×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 40.5 x .75″ – FK20x40.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x25x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-24-5-1-75-fb19x25x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_262daaaf-5236-441f-bdae-9072b4b3b4fe.jpg?v=1768033938 Filter King 19x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5×24.5×1.75″ – FB19X25X2-12 Filter King 19x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5×24.5×1.75″ – FB19X25X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-44-x-75-fk18x44x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x44x1A-M8-4.jpg?v=1768034255 Filter King 18x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 44 x .75″ – FK18x44x1A-M8 -4 Filter King 18x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 44 x .75″ – FK18x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x22x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-21-5-x-1-75-fb20x22x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_e527022f-9a22-419b-904c-9e9319463062.jpg?v=1768035026 Filter King 20x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x 1.75″ – FB20X22X2-12 Filter King 20x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x 1.75″ – FB20X22X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x30x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-29-5-x-75-fb14x30-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_4bfaf79f-e71b-44a0-9671-756601dd2a5a.jpg?v=1768035264 Filter King 14x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 29.5 x .75″ – FB14X30-12 Filter King 14x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 29.5 x .75″ – FB14X30-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-24-5-x-75-fb25x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_42dd028c-3032-4370-81b4-20721d2b66d3.jpg?v=1768035507 Filter King 25x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75″ – FB25X25-12 Filter King 25x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75″ – FB25X25-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x25x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-24-5-x-1-75-fb12x25x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_05942766-8de5-401b-9e40-08e1c2734d30.jpg?v=1768035896 Filter King 12x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 24.5 x 1.75″ – FB12X25X2-12 Filter King 12x25x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 24.5 x 1.75″ – FB12X25X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x30x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-30-x-1-75-fb08x30x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_067e99e9-5a09-43d9-ab77-305f1a0eebac.jpg?v=1768036236 Filter King 8x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 30 x 1.75″ – FB08X30X2-12 Filter King 8x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 30 x 1.75″ – FB08X30X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x20x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-19-5-x-75-fk23x20x1-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_f9c02c4e-9ded-495a-8dd1-be822e7f7f8b.jpg?v=1768037329 Filter King 23x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19.5 x .75″ – FK23x20x1-M8-12 Filter King 23x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19.5 x .75″ – FK23x20x1-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-25-11-25-1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-25-x-11-25-x-75-fb11-25x11-25a-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_5d41a4d5-5210-4ce6-bdc7-40f18d4a0996.jpg?v=1768038054 Filter King 11.25×11.25×1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 11.25 x 11.25 x .75″ – FB11.25X11.25A-12 Filter King 11.25×11.25×1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 11.25 x 11.25 x .75″ – FB11.25X11.25A-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-8-x-75-fk7-5x8x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x8x1A-M8-12.jpg?v=1768053912 Filter King 7.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 8 x .75″ – FK7.5x8x1A-M8-12 Filter King 7.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 8 x .75″ – FK7.5x8x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-39-5-x-75-fk8x39-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x39.5x1A-M8-12.jpg?v=1768054040 Filter King 8×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 39.5 x .75″ – FK8x39.5x1A-M8-12 Filter King 8×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 39.5 x .75″ – FK8x39.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-56-x-75-fk6x56x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x56x1A-M8-12.webp?v=1768054208 Filter King 6x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 56 x .75″ – FK6x56x1A-M8-12 Filter King 6x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 56 x .75″ – FK6x56x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-37-5-x-75-fk7-5-37-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x37.5x1A-M8-12.jpg?v=1768054387 Filter King 7.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 37.5 x .75″ – FK7.5×37.5x1A-M8-12 Filter King 7.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 37.5 x .75″ – FK7.5×37.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-4-5-x-75-fk8x4-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x4.5x1A-M8-12.avif?v=1768054520 Filter King 8×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 4.5 x .75″ – FK8x4.5x1A-M8-12 Filter King 8×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 4.5 x .75″ – FK8x4.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-14-x-75-fk8-5x14x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x14x1A-M8-12.avif?v=1768054749 Filter King 8.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 14 x .75″ – FK8.5x14x1A-M8-12 Filter King 8.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 14 x .75″ – FK8.5x14x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-33-5-x-75-fk6-5-33-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x33.5x1A-M8-12.jpg?v=1768054875 Filter King 6.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 33.5 x .75″ – FK6.5×33.5x1A-M8-12 Filter King 6.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 33.5 x .75″ – FK6.5×33.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-20-x-75-fk6-5x20x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x20x1A-M8.jpg?v=1768055017 Filter King 6.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 20 x .75″ – FK6.5x20x1A-M8 Filter King 6.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 20 x .75″ – FK6.5x20x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-6-5-x-75-fk11-5-6-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x6.5x1A-M8-12.avif?v=1768055187 Filter King 11.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 6.5 x .75″ – FK11.5×6.5x1A-M8-12 Filter King 11.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 6.5 x .75″ – FK11.5×6.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-54-x-75-fk9x54x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x54x1A-M8-12.jpg?v=1768055372 Filter King 9x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 54 x .75″ – FK9x54x1A-M8-12 Filter King 9x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 54 x .75″ – FK9x54x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-6-5-x-75-fk8x6-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x6.5x1A-M8-12.jpg?v=1768055556 Filter King 8×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 6.5 x .75″ – FK8x6.5x1A-M8-12 Filter King 8×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 6.5 x .75″ – FK8x6.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-28-5-x-75-fk15-5-28-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x28.5x1A-M8-12.jpg?v=1768055729 Filter King 15.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 28.5 x .75″ – FK15.5×28.5x1A-M8-12 Filter King 15.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 28.5 x .75″ – FK15.5×28.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-64-5-x-75-fk8x64-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x64.5x1A-M8-12.jpg?v=1768056114 Filter King 8×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 64.5 x .75″ – FK8x64.5x1A-M8-12 Filter King 8×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 64.5 x .75″ – FK8x64.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-14-5-x-75-fk6-5-14-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x14.5x1A-M8-12.jpg?v=1768056281 Filter King 6.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 14.5 x .75″ – FK6.5×14.5x1A-M8-12 Filter King 6.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 14.5 x .75″ – FK6.5×14.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-23-x-75-fk13-5x23x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x23x1A-M8-12.jpg?v=1768056934 Filter King 13.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23 x .75″ – FK13.5x23x1A-M8-12 Filter King 13.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23 x .75″ – FK13.5x23x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-59-5-x-75-fk6-5-59-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x59.5x1A-M8-12.jpg?v=1768057368 Filter King 6.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 59.5 x .75″ – FK6.5×59.5x1A-M8-12 Filter King 6.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 59.5 x .75″ – FK6.5×59.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-14-5-x-75-fk15-5-14-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x14.5x1A-M8-12.jpg?v=1768057819 Filter King 15.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 14.5 x .75″ – FK15.5×14.5x1A-M8-12 Filter King 15.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 14.5 x .75″ – FK15.5×14.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-44-x-75-fk9x44x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x44x1A-M8-12.jpg?v=1768058142 Filter King 9x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 44 x .75″ – FK9x44x1A-M8-12 Filter King 9x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 44 x .75″ – FK9x44x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-22-5-x-75-fk11-5-22-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x22.5x1A-M8-12.jpg?v=1768058568 Filter King 11.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 22.5 x .75″ – FK11.5×22.5x1A-M8-12 Filter King 11.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 22.5 x .75″ – FK11.5×22.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-21-5-x-75-fk4-5-21-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x21.5x1A-M8-12.jpg?v=1768058901 Filter King 4.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 21.5 x .75″ – FK4.5×21.5x1A-M8-12 Filter King 4.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 21.5 x .75″ – FK4.5×21.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-24-5-x-75-fk12-5-24-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x24.5x1A-M8-12_2.avif?v=1768059315 Filter King 12.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 24.5 x .75″ – FK12.5×24.5x1A-M8-12 Filter King 12.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 24.5 x .75″ – FK12.5×24.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-51-5-x-75-fk16-5-51-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x51.5x1A-M8-4.avif?v=1768059483 Filter King 16.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 51.5 x .75″ – FK16.5×51.5x1A-M8-4 Filter King 16.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 51.5 x .75″ – FK16.5×51.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-50-x-75-fk11-5x50x1a-m8-1 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x50x1A-M8-1.jpg?v=1768059617 Filter King 11.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 50 x .75″ – FK11.5x50x1A-M8-1 Filter King 11.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 50 x .75″ – FK11.5x50x1A-M8-1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-28-x-75-fk9x28x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x28x1A-M8-12.jpg?v=1768060043 Filter King 9x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 28 x .75″ – FK9x28x1A-M8-12 Filter King 9x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 28 x .75″ – FK9x28x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-46-5-x-75-fk6x46-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x46.5x1A-M8-12.avif?v=1768060231 Filter King 6×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 46.5 x .75″ – FK6x46.5x1A-M8-12 Filter King 6×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 46.5 x .75″ – FK6x46.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-26-x-75-fk9-5x26x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x26x1A-M8-12.avif?v=1768060444 Filter King 9.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 26 x .75″ – FK9.5x26x1A-M8-12 Filter King 9.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 26 x .75″ – FK9.5x26x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-20-5-x-0-75-fk16-5-20-5-1-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x20.5x1-M8-12.jpg?v=1768060631 Filter King 16.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 20.5 x 0.75″ – FK16.5×20.5×1-M8-12 Filter King 16.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 20.5 x 0.75″ – FK16.5×20.5×1-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-4-5-x-75-fk15x4-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x4.5x1A-M8-12.jpg?v=1768060810 Filter King 15×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 4.5 x .75″ – FK15x4.5x1A-M8-12 Filter King 15×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 4.5 x .75″ – FK15x4.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-44-x-75-fk18-5x44x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x35.5x1A-M8-4_cc267eab-ebc7-47a7-b3c4-f3febaa4aa62.avif?v=1768200396 Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75″ – FK18.5x44x1A-M8 -4 Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75″ – FK18.5x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-31-x-75-fk9x31x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x31x1A-M8-12.jpg?v=1768200647 Filter King 9x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 31 x .75″ – FK9x31x1A-M8-12 Filter King 9x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 31 x .75″ – FK9x31x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-44-x-75-fk18-5x44x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x44x1A-M8-4.jpg?v=1768202222 Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75″ – FK18.5x44x1A-M8 -4 Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75″ – FK18.5x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x14x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-13-5-x-1-75-fb10x14x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2.jpg?v=1768203794 Filter King 10x14x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x 1.75″ – FB10X14X2-12 Filter King 10x14x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x 1.75″ – FB10X14X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-19-x-75-fk24x19x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x19x1A-M8-4.jpg?v=1768203925 Filter King 24x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19 x .75″ – FK24x19x1A-M8 -4 Filter King 24x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19 x .75″ – FK24x19x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-28-5-x-75-fk14-5-28-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x28.5x1A-M8-4.jpg?v=1768204030 Filter King 14.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 28.5 x .75″ – FK14.5×28.5x1A-M8-4 Filter King 14.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 28.5 x .75″ – FK14.5×28.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-11-x-75-fk22x11x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x11x1A-M8-4.avif?v=1768204078 Filter King 22x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11 x .75″ – FK22x11x1A-M8 -4 Filter King 22x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11 x .75″ – FK22x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x20x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-19-5-x-75-fb12x20-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_6eae3028-3b26-4185-ae0d-bd40b025e148.jpg?v=1768204243 Filter King 12x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 19.5 x .75″ – FB12X20-12 Filter King 12x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 19.5 x .75″ – FB12X20-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-27-x-75-fk29x27x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x27x1A-M8-4_1.jpg?v=1768204249 Filter King 29x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 27 x .75″ – FK29x27x1A-M8 -4 Filter King 29x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 27 x .75″ – FK29x27x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-34-5-x-75-fk6x34-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x34.5x1A-M8-12.jpg?v=1768204417 Filter King 6×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 34.5 x .75″ – “FK6x34.5x1A-M8-12 “ Filter King 6×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 34.5 x .75″ – “FK6x34.5x1A-M8-12 “ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-20-x-75-fk21-5x20x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x20x1A-M8-4.jpg?v=1768204423 Filter King 21.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20 x .75″ – FK21.5x20x1A-M8 -4 Filter King 21.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20 x .75″ – FK21.5x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x14x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-13-5-x-1-75-fb10x14x2-13 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1.jpg?v=1768204567 Filter King 10x14x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x 1.75″ – FB10X14X2-12 Filter King 10x14x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x 1.75″ – FB10X14X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-14-x-75-fk4x14x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x14x1A-M8-12.jpg?v=1768204779 Filter King 4x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 14 x .75″ – FK4x14x1A-M8-12 Filter King 4x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 14 x .75″ – FK4x14x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x24x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-23-5-x-1-75-fb14x24x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_75e6f281-8061-445c-89f1-9706f18651c7.jpg?v=1768204859 Filter King 14x24x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x 1.75″ – FB14X24X2-12 Filter King 14x24x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x 1.75″ – FB14X24X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-15-5-x-75-fk17-5-15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x15.5x1A-M8-4.jpg?v=1768205037 Filter King 17.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15.5 x .75″ – FK17.5×15.5x1A-M8 -4 Filter King 17.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15.5 x .75″ – FK17.5×15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x22x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-22-x-1-75-fb22x22x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1_12c3faed-878a-40c7-a2d3-ef5e89679fac.jpg?v=1768205069 Filter King 22x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22 x 1.75″ – FB22X22X2-12 Filter King 22x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22 x 1.75″ – FB22X22X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-57-x-75-fk8x57x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x57x1A-M8-12.jpg?v=1768205118 Filter King 8x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 57 x .75″ – FK8x57x1A-M8-12 Filter King 8x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 57 x .75″ – FK8x57x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5x19x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-19-x-75-fb14-5x19a-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_8b972fc6-e7d3-44f1-b15b-dace06c1ed6e.jpg?v=1768205193 Filter King 14.5x19x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19 x .75″ – FB14.5X19A -4 Filter King 14.5x19x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19 x .75″ – FB14.5X19A -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x40x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-5-x-75-fb20x40-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1_875e35c6-bffb-41cc-b399-7f6efe5b2b7f.jpg?v=1768205363 Filter King 20x40x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75″ – FB20X40-12 Filter King 20x40x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75″ – FB20X40-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-44-x-75-fk8x44x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x44x1A-M8-12.jpg?v=1768205422 Filter King 8x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 44 x .75″ – FK8x44x1A-M8-12 Filter King 8x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 44 x .75″ – FK8x44x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5x19x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-19-x-75-fb14-5x19a-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_1.jpg?v=1768205444 Filter King 14.5x19x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19 x .75″ – FB14.5X19A -4 Filter King 14.5x19x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19 x .75″ – FB14.5X19A -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-19-5-x-75-fk12-5-19-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x19.5x1A-M8-4_0f362a79-beb4-4bc9-a265-5a34a625d75b.jpg?v=1768205569 Filter King 12.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 19.5 x .75″ – FK12.5×19.5x1A-M8 -4 Filter King 12.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 19.5 x .75″ – FK12.5×19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-23-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-23-25-x-75-fb21-5x23-5a-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB21.5X23.5A-4_b0f20ce4-b6b4-4eb8-83e4-bcaf75478cc8.jpg?v=1768205733 Filter King 21.5×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23.25 x .75″ – FB21.5X23.5A -4 Filter King 21.5×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23.25 x .75″ – FB21.5X23.5A -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x29x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-28-5-x-75-fb25x29-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_db2f1650-f7a9-4b05-b64a-675edad7d302.jpg?v=1768205762 Filter King 25x29x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x .75″ – FB25X29-12 Filter King 25x29x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x .75″ – FB25X29-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-47-x-75-fk15-5x47x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x47x1A-M8-12.jpg?v=1768205922 Filter King 15.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 47 x .75″ – FK15.5x47x1A-M8-12 Filter King 15.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 47 x .75″ – FK15.5x47x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x28x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-27-5-1-75-fb10x28x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_80fa84c8-1844-4151-b473-dc6a0769a637.jpg?v=1768206232 Filter King 10x28x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5×27.5×1.75″ – FB10X28X2-12 Filter King 10x28x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5×27.5×1.75″ – FB10X28X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-38-x-75-fk4x38x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x38x1A-M8-12.jpg?v=1768206319 Filter King 4x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 38 x .75″ – FK4x38x1A-M8-12 Filter King 4x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 38 x .75″ – FK4x38x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-54-5-x-75-fk7x54-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x54.5x1A-M8-12.avif?v=1768206628 Filter King 7×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 54.5 x .75″ – FK7x54.5x1A-M8-12 Filter King 7×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 54.5 x .75″ – FK7x54.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x36x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-35-5-x-1-75-fb22x36x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_ef3ec601-acd9-4eab-ba28-841f307e1f2b.jpg?v=1768206691 Filter King 22x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35.5 x 1.75″ – FB22X36X2-12 Filter King 22x36x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35.5 x 1.75″ – FB22X36X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-75-fk19-5-24-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_3.jpg?v=1768206786 Filter King 19.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75″ – FK19.5×24.5x1A-M8 -4 Filter King 19.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75″ – FK19.5×24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-23-5-x-75-fk11-5-23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_4.jpg?v=1768206923 Filter King 11.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75″ – FK11.5×23.5x1A-M8 -4 Filter King 11.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75″ – FK11.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-39-5-x-75-fk11x39-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x39.5x1A-M8-12.jpg?v=1768207003 Filter King 11×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 39.5 x .75″ – FK11x39.5x1A-M8-12 Filter King 11×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 39.5 x .75″ – FK11x39.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-19-5-x-75-fk13-5-19-5x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_5.jpg?v=1768207069 Filter King 13.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75″ – FK13.5×19.5x1A-M8 Filter King 13.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75″ – FK13.5×19.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x37x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-36-5-1-75-fb22x37x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1_c30dbed0-d3bf-420b-9aec-7f71034ed5ea.jpg?v=1768207076 Filter King 22x37x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5×36.5×1.75″ – FB22X37X2-12 Filter King 22x37x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5×36.5×1.75″ – FB22X37X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-60-5-x-75-fk14-5-60-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x60.5x1A-M8-12.jpg?v=1768207284 Filter King 14.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 60.5 x .75″ – FK14.5×60.5x1A-M8-12 Filter King 14.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 60.5 x .75″ – FK14.5×60.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x16x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-15-5-x-1-75-fb10x16x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1_b68dc417-e5b5-4f15-b30c-38594c6a2144.jpg?v=1768207431 Filter King 10x16x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 15.5 x 1.75″ – FB10X16X2-12 Filter King 10x16x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 15.5 x 1.75″ – FB10X16X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-23-5-x-75-fk9-5-23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_5a3e7286-7a91-4edd-93f7-5407badb089e.jpg?v=1768208649 Filter King 9.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FK9.5×23.5x1A-M8 -4 Filter King 9.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FK9.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-57-5-x-75-fk16x57-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x57.5x1A-M8-4.avif?v=1768208796 Filter King 16×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 57.5 x .75″ – FK16x57.5x1A-M8-4 Filter King 16×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 57.5 x .75″ – FK16x57.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x24x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-23-5-x-1-75-fb10x24x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1_fefd8622-e227-40cc-8578-61296970c045.jpg?v=1768208810 Filter King 10x24x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x 1.75″ – FB10X24X2-12 Filter King 10x24x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x 1.75″ – FB10X24X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-23-5-x-75-fk9-5-23-5x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_06fcbc2d-7986-44da-a021-ae75323907b3.jpg?v=1768209009 Filter King 9.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FK9.5×23.5x1A-M8 -4 Filter King 9.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 23.5 x .75″ – FK9.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-29-5-x-75-fk7-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_66fa8499-f876-4582-b20a-af78dea82809.jpg?v=1768209205 Filter King 7.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 29.5 x .75″ – FK7.5×29.5x1A-M8 -3 Filter King 7.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 29.5 x .75″ – FK7.5×29.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-19-5-x-75-fk19-5-19-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_cc380d9c-874a-430f-817c-3abdae5168c0.jpg?v=1768209611 Filter King 19.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75″ – FK19.5×19.5x1A-M8 -3 Filter King 19.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75″ – FK19.5×19.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-25-23-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-25-x-23-25-x-75-fb19-25x23-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB19.25X23.25A-3.jpg?v=1768209857 Filter King 19.25×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.25 x 23.25 x .75″ – FB19.25X23.25A -3 Filter King 19.25×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.25 x 23.25 x .75″ – FB19.25X23.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-25-21-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-25-x-21-25-x-75-fb21-25x21-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_1_fa4f7b4c-8d8a-48f0-a342-790cddd951a2.jpg?v=1768210028 Filter King 21.25×21.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.25 x 21.25 x .75″ – FB21.25X21.25A -3 Filter King 21.25×21.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.25 x 21.25 x .75″ – FB21.25X21.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-75-13-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-75-x-13-5-x-75-fb11-75x13-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_1_b54ced36-cd5c-482e-bccc-0213dae65916.jpg?v=1768211661 Filter King 11.75×13.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 13.5 x .75″ – FB11.75X13.5A -3 Filter King 11.75×13.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 13.5 x .75″ – FB11.75X13.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-61-x-75-fk10-5x61x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x61x1A-M8-12.jpg?v=1768211825 Filter King 10.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 61 x .75″ – FK10.5x61x1A-M8-12 Filter King 10.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 61 x .75″ – FK10.5x61x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-31-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-31-5-x-75-fk19-5-31-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_2_68105be0-8235-4c3a-8bc9-59011329efb2.jpg?v=1768211840 Filter King 19.5×31.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31.5 x .75″ – FK19.5×31.5x1A-M8 -3 Filter King 19.5×31.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31.5 x .75″ – FK19.5×31.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x22x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-21-5-x-75-fb21x22-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_d9509c55-775f-47ea-b477-110a3e6ef081.jpg?v=1768211898 Filter King 21x22x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75″ – FB21X22-12 Filter King 21x22x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75″ – FB21X22-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-17-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-17-5-x-75-fk15-5-17-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_2_7770e4df-dee0-4e39-9f28-d3edab631d6a.jpg?v=1768211955 Filter King 15.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 17.5 x .75″ – FK15.5×17.5x1A-M8 -3 Filter King 15.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 17.5 x .75″ – FK15.5×17.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x21x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-21-x-75-fk16-5x21x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_2_344a9459-a4db-4435-9e17-498969ea7e1d.jpg?v=1768212085 Filter King 16.5x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21 x .75″ – FK16.5x21x1A-M8 -3 Filter King 16.5x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21 x .75″ – FK16.5x21x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x22x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-21-5-x-75-fb18x22-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_04fc6a56-3b31-4dde-ba34-6c5b2c969a32.jpg?v=1768212164 Filter King 18x22x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75″ – FB18X22-12 Filter King 18x22x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75″ – FB18X22-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-28-5-x-75-fk13-5-28-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x28.5x1A-M8-4.jpg?v=1768212211 Filter King 13.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 28.5 x .75″ – FK13.5×28.5x1A-M8-4 Filter King 13.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 28.5 x .75″ – FK13.5×28.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x10x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-9-5-x-1-75-fb10x10x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_e03b6069-7888-4ecf-a110-028d325be61d.jpg?v=1768212419 Filter King 10x10x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x 1.75″ – FB10X10X2-12 Filter King 10x10x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x 1.75″ – FB10X10X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-38-x-75-fk6x38x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x38x1A-M8-12.avif?v=1768212618 Filter King 6x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 38 x .75″ – FK6x38x1A-M8-12 Filter King 6x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 38 x .75″ – FK6x38x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x30x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-29-5-x-1-75-fb12x30x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_a43af5fd-aaf8-4369-9f06-76ae02131e05.jpg?v=1768212848 Filter King 12x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x 1.75″ – FB12X30X2-12 Filter King 12x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x 1.75″ – FB12X30X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-51-x-75-fk11-5x51x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x51x1A-M8-4.avif?v=1768212938 Filter King 11.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 51 x .75″ – FK11.5x51x1A-M8-4 Filter King 11.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 51 x .75″ – FK11.5x51x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-19-75x22x1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-19-75-x-22-x-75-fb19-75x22a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB19.75X22A-3.jpg?v=1768213210 Filter King Air Filters 19.75x22x1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 19.75 x 22 x .75 – FB19.75X22A -3 Filter King Air Filters 19.75x22x1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 19.75 x 22 x .75 – FB19.75X22A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-23-5-30-75-1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-23-5-x-30-75-x-75-fb23-5x30-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_3_10945095-60bd-43f7-bc07-a00fe9b0a390.jpg?v=1768213388 Filter King Air Filters 23.5×30.75×1 | 3-Pack | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 23.5 x 30.75 x .75 – FB23.5X30.75A -3 Filter King Air Filters 23.5×30.75×1 | 3-Pack | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 23.5 x 30.75 x .75 – FB23.5X30.75A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x20x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-19-5-x-1-75-fb15x20x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_41a664c2-d0cd-4878-98d1-c18bb674113e.jpg?v=1768213547 Filter King 15x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19.5 x 1.75″ – FB15X20X2-12 Filter King 15x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19.5 x 1.75″ – FB15X20X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-21-5-x-75-fk8-5-21-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x21.5x1A-M8-4.jpg?v=1768213616 Filter King 8.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 21.5 x .75″ – FK8.5×21.5x1A-M8-4 Filter King 8.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 21.5 x .75″ – FK8.5×21.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x40x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-5-x-1-75-fb20x40x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_59a2b556-7b57-427d-b160-e8fcafccc55a.jpg?v=1768213908 Filter King 20x40x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x 1.75″ – FB20X40X2 -12 Filter King 20x40x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x 1.75″ – FB20X40X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-5-5-x-75-fk10-5-5-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x5.5x1A-M8-12.jpg?v=1768213920 Filter King 10.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 5.5 x .75″ – FK10.5×5.5x1A-M8-12 Filter King 10.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 5.5 x .75″ – FK10.5×5.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-24-5-x-75-fb10x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_1ee8622c-d4aa-43b1-9f51-db74750b4102.jpg?v=1768214370 Filter King 10x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x .75″ – FB10X25 -12 Filter King 10x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x .75″ – FB10X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-45-x-75-fk15x45x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x45x1A-M8-4.jpg?v=1768214417 Filter King 15x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 45 x .75″ – FK15x45x1A-M8-4 Filter King 15x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 45 x .75″ – FK15x45x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-5-x-75-fk13-5x5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x5x1A-M8-12.jpg?v=1768214688 Filter King 13.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 5 x .75″ – FK13.5x5x1A-M8-12 Filter King 13.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 5 x .75″ – FK13.5x5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-24-5-x-75-fb17x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_7e945ec5-019b-46ea-bec5-50f0a1dadefe.jpg?v=1768214693 Filter King 17x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24.5 x .75″ – FB17X25 -12 Filter King 17x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24.5 x .75″ – FB17X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-36-x-75-fk9-5x36x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x36x1A-M8-12.jpg?v=1768214916 Filter King 9.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 36 x .75″ – FK9.5x36x1A-M8-12 Filter King 9.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 36 x .75″ – FK9.5x36x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x16x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-15-5-x-1-75-fb16x16x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_8f7b06c2-6915-43ab-9ddd-be238fcec0ad.jpg?v=1768215002 Filter King 16x16x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 15.5 x 1.75″ – FB16X16X2 -12 Filter King 16x16x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 15.5 x 1.75″ – FB16X16X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x15x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-14-5-x-1-75-fb10x15x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_1_01ccb70c-68ff-4e09-8d13-f59f0d925374.jpg?v=1768215193 Filter King 10x15x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x 1.75″ – FB10X15X2 -12 Filter King 10x15x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x 1.75″ – FB10X15X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-36-5-x-75-fk11x36-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x36.5x1A-M8-12.jpg?v=1768215237 Filter King 11×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 36.5 x .75″ – FK11x36.5x1A-M8-12 Filter King 11×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 36.5 x .75″ – FK11x36.5x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x27x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-26-5-x-75-fb27x27-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_93167ea5-a39a-4d01-8150-ab3a15eeec0c.jpg?v=1768215480 Filter King 27x27x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 26.5 x .75″ – FB27X27 -12 Filter King 27x27x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 26.5 x .75″ – FB27X27 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-53-x-75-fk8x53x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x53x1A-M8-12.avif?v=1768215505 Filter King 8x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 53 x .75″ – FK8x53x1A-M8-12 Filter King 8x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 53 x .75″ – FK8x53x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-25x21x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-25-x-21-x-75-fb16-25x21a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_4_3ada21a2-f174-47bd-b2ee-ba47addd00de.jpg?v=1768215673 Filter King 16.25x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.25 x 21 x .75″ – FB16.25X21A -3 Filter King 16.25x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.25 x 21 x .75″ – FB16.25X21A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x20x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-19-5-x-1-75-fb12x20x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_eeb8bbb9-fe7f-4cf8-a70c-aced39baa204.jpg?v=1768215757 Filter King 12x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 19.5 x 1.75″ – FB12X20X2 -12 Filter King 12x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 19.5 x 1.75″ – FB12X20X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-40-x-75-fk13x40x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x40x1A-M8-12.jpg?v=1768215784 Filter King 13x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 40 x .75″ – FK13x40x1A-M8-12 Filter King 13x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 40 x .75″ – FK13x40x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x18x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-18-x-75-fb10x18a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_5_f77b9ce1-9133-4667-b8e5-45f3f2d8bd35.jpg?v=1768215796 Filter King 10x18x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 18 x .75″ – FB10X18A -3 Filter King 10x18x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 18 x .75″ – FB10X18A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x18x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-18-x-75-fb13x18a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_5_59b9ee76-1139-4ebc-92c8-00e2700cc576.jpg?v=1768215969 Filter King 13x18x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 18 x .75″ – FB13X18A -3 Filter King 13x18x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 18 x .75″ – FB13X18A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x21x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-20-5-x-75-fb16x21-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_f54e1713-13d7-4b74-b467-0cc3f3251c78.jpg?v=1768215984 Filter King 16x21x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 20.5 x .75″ – FB16X21-12 Filter King 16x21x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 20.5 x .75″ – FB16X21-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-43-5-x-75-fk9-5-43-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x43.5x1A-M8-4.avif?v=1768216063 Filter King 9.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 43.5 x .75″ – FK9.5×43.5x1A-M8-4 Filter King 9.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 43.5 x .75″ – FK9.5×43.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-35-5-x-75-fk23-5-35-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_6.jpg?v=1768216113 Filter King 23.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75″ – FK23.5×35.5x1A-M8 -3 Filter King 23.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75″ – FK23.5×35.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x25x1-12-pack-merv-8-hvac-pleated-ac-furnace-filters-made-in-usa-actual-size-13-75-x-24-75-x-75-fb14x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_51234a26-866b-4710-9f02-6ec79f568aaf.jpg?v=1768216292 Filter King 14x25x1 | 12-PACK | MERV 8 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 13.75 x 24.75 x .75″ – FB14X25-12 Filter King 14x25x1 | 12-PACK | MERV 8 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 13.75 x 24.75 x .75″ – FB14X25-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-20-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-20-5-x-75-fk19-5-20-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_6_09b31dd3-6d2a-4a2f-8b08-4cf217bcfa96.jpg?v=1768216399 Filter King 19.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75″ – FK19.5×20.5x1A-M8 -3 Filter King 19.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75″ – FK19.5×20.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-63-5-x-75-fk6x63-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x63.5x1A-M8-4.png?v=1768216441 Filter King 6×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 63.5 x .75″ – FK6x63.5x1A-M8-4 Filter King 6×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 63.5 x .75″ – FK6x63.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x14x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-13-5-x-75-fb10x14-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_6d146854-6a9e-41ab-be28-f2df99772ba9.jpg?v=1768216576 Filter King 10x14x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x .75″ – FB10X14-12 Filter King 10x14x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 13.5 x .75″ – FB10X14-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-45-5-x-75-fk6x45-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x45.5x1A-M8-4.avif?v=1768216683 Filter King 6×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 45.5 x .75″ – FK6x45.5x1A-M8-4 Filter King 6×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 45.5 x .75″ – FK6x45.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x30x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-29-5-x-75-fb08x30-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_82c8b054-0097-40f5-b795-17acc024062d.jpg?v=1768216905 Filter King 8x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 29.5 x .75″ – FB08X30-12 Filter King 8x30x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 29.5 x .75″ – FB08X30-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-22-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-22-5-x-75-fk20-5-22-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_7.jpg?v=1768216938 Filter King 20.5×22.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22.5 x .75″ – FK20.5×22.5x1A-M8 -3 Filter King 20.5×22.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22.5 x .75″ – FK20.5×22.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-41-5-x-75-fk6x41-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x41.5x1A-M8-4.avif?v=1768216969 Filter King 6×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 41.5 x .75″ – FK6x41.5x1A-M8-4 Filter King 6×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 41.5 x .75″ – FK6x41.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x17x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-17-x-75-fb17x17a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_8.jpg?v=1768217061 Filter King 17x17x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17 x .75″ – FB17X17A -3 Filter King 17x17x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17 x .75″ – FB17X17A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x10x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-9-5-x-75-fb10x10x1-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_3c4579ba-28e5-4866-b598-d15a01d9b834.jpg?v=1768217317 Filter King 10x10x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x .75″ – FB10X10X1-12 Filter King 10x10x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x .75″ – FB10X10X1-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-11-5-x-75-fk14-5-11-5x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x11.5x1A-M8.jpg?v=1768217371 Filter King 14.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 11.5 x .75″ – FK14.5×11.5x1A-M8 Filter King 14.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 11.5 x .75″ – FK14.5×11.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x36x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-35-5-x-75-fb12x36-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_5169f691-573b-4bd7-8769-930114c257dd.jpg?v=1768217834 Filter King 12x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 35.5 x .75″ – FB12X36-12 Filter King 12x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 35.5 x .75″ – FB12X36-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-6-x-75-fk11x6x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x6x1A-M8-4.jpg?v=1768217848 Filter King 11x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 6 x .75″ – FK11x6x1A-M8-4 Filter King 11x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 6 x .75″ – FK11x6x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x30x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-29-5-x-1-75-fb16x30x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_3_089763dc-854f-49a1-b062-8c17cf881ec2.jpg?v=1768218112 Filter King 16x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 29.5 x 1.75″ – FB16X30X2-12 Filter King 16x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 29.5 x 1.75″ – FB16X30X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-37-5-x-75-fk6-5-37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x37.5x1A-M8-4.jpg?v=1768218336 Filter King 6.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 37.5 x .75″ – FK6.5×37.5x1A-M8-4 Filter King 6.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 37.5 x .75″ – FK6.5×37.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-75-fb20x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_926ac2f7-b023-4de0-8f2e-f04771fc4bf2.jpg?v=1768218470 Filter King 20x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75″ – FB20X25-12 Filter King 20x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75″ – FB20X25-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-26-5-x-75-fk7x26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x26.5x1A-M8-4.jpg?v=1768218598 Filter King 7×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 26.5 x .75″ – FK7x26.5x1A-M8-4 Filter King 7×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 26.5 x .75″ – FK7x26.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-24-5-x-75-fk24-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_9.jpg?v=1768219102 Filter King 24.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75″ – FK24.5×24.5x1A-M8 -3 Filter King 24.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75″ – FK24.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x30x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-29-5-x-1-75-fb28x30x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X24X2-12_2_3b0effb5-53ae-447e-bf94-5d95e6c4a3c3.jpg?v=1768219149 Filter King 28x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 29.5 x 1.75″ – FB28X30X2-12 Filter King 28x30x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 29.5 x 1.75″ – FB28X30X2-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-40-x-75-fk15-5x40x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x40x1A-M8-4.avif?v=1768219187 Filter King 15.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 40 x .75″ – FK15.5x40x1A-M8-4 Filter King 15.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 40 x .75″ – FK15.5x40x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-51-x-75-fk6-5x51x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x51x1A-M8-4.png?v=1768219586 Filter King 6.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 51 x .75″ – FK6.5x51x1A-M8-4 Filter King 6.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 51 x .75″ – FK6.5x51x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-19-x-75-fk12x19x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x19x1A-M8-4.jpg?v=1768219603 Filter King 12x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 19 x .75″ – FK12x19x1A-M8-4 Filter King 12x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 19 x .75″ – FK12x19x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-75x21x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-75-x-21-x-75-fb12-75x21a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_9_48c16c2b-75f1-47f6-88c7-9561790067fd.jpg?v=1768219727 Filter King 12.75x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.75 x 21 x .75″ – FB12.75X21A -3 Filter King 12.75x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.75 x 21 x .75″ – FB12.75X21A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-23-5-x-75-fb19-5x23-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB19.5X23.5A-3.jpg?v=1768219875 Filter King 19.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 23.5 x .75″ – FB19.5X23.5A -3 Filter King 19.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 23.5 x .75″ – FB19.5X23.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-26-x-75-fk10x26x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x26x1A-M8-4.jpg?v=1768219953 Filter King 10x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 26 x .75″ – FK10x26x1A-M8-4 Filter King 10x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 26 x .75″ – FK10x26x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-64-5-x-75-fk9x64-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x64.5x1A-M8-4.jpg?v=1768220017 Filter King 9×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 64.5 x .75″ – FK9x64.5x1A-M8-4 Filter King 9×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 64.5 x .75″ – FK9x64.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-18-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-18-5-x-75-fk18-5-18-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_9_e8aabf83-a6cb-4ae4-851e-7ec68edfb40a.jpg?v=1768220105 Filter King 18.5×18.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18.5 x .75″ – FK18.5×18.5x1A-M8 -3 Filter King 18.5×18.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18.5 x .75″ – FK18.5×18.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-11-5-x-75-fk6-5-11-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x11.5x1A-M8-4.png?v=1768220671 Filter King 6.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 11.5 x .75″ – FK6.5×11.5x1A-M8-4 Filter King 6.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 11.5 x .75″ – FK6.5×11.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-20-x-75-fk11x20x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x20x1A-M8-4.jpg?v=1768220795 Filter King 11x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 20 x .75″ – FK11x20x1A-M8-4 Filter King 11x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 20 x .75″ – FK11x20x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-39-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-5-x-75-fk19-5-39-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_2_02259cde-6506-41a6-bae6-af315697f702.jpg?v=1768220716 Filter King 19.5×39.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75″ – FK19.5×39.5x1A-M8 -3 Filter King 19.5×39.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75″ – FK19.5×39.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-21-5-x-75-fk21-5-21-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_10.jpg?v=1768220862 Filter King 21.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75″ – FK21.5×21.5x1A-M8 -3 Filter King 21.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75″ – FK21.5×21.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-57-x-75-fk4-5x57x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x57x1A-M8-4.avif?v=1768220976 Filter King 4.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 57 x .75″ – FK4.5x57x1A-M8-4 Filter King 4.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 57 x .75″ – FK4.5x57x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x27x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-27-x-75-fb14x27a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_10_f64759ae-8630-4466-81e1-0167124ded86.jpg?v=1768221001 Filter King 14x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 27 x .75″ – FB14X27A -3 Filter King 14x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 27 x .75″ – FB14X27A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-5-5-x-75-fk14-5-5-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x5.5x1A-M8-4.jpg?v=1768221037 Filter King 14.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 5.5 x .75″ – FK14.5×5.5x1A-M8-4 Filter King 14.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 5.5 x .75″ – FK14.5×5.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-20-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-5-x-75-fk20-5-20-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_11.jpg?v=1768221187 Filter King 20.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75″ – FK20.5×20.5x1A-M8 -3 Filter King 20.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75″ – FK20.5×20.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-30-x-75-fk16-5x30x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x30x1A-M8-4.jpg?v=1768221788 Filter King 16.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 30 x .75″ – FK16.5x30x1A-M8-4 Filter King 16.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 30 x .75″ – FK16.5x30x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-5-x-75-fk13x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x5x1A-M8-4.jpg?v=1768221813 Filter King 13x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 5 x .75″ – FK13x5x1A-M8-4 Filter King 13x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 5 x .75″ – FK13x5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-39-x-75-fk10x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x39x1A-M8-4.jpg?v=1768222046 Filter King 10x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 39 x .75″ – FK10x39x1A-M8-4 Filter King 10x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 39 x .75″ – FK10x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-9-5-x-75-fk16-5-9-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x9.5x1A-M8-4.jpg?v=1768222092 Filter King 16.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 9.5 x .75″ – FK16.5×9.5x1A-M8-4 Filter King 16.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 9.5 x .75″ – FK16.5×9.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-18-5-x-75-fk9x18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x18.5x1A-M8-4.jpg?v=1768222359 Filter King 9×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 18.5 x .75″ – FK9x18.5x1A-M8-4 Filter King 9×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 18.5 x .75″ – FK9x18.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-44-x-75-fk12x44x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x44x1A-M8-4.jpg?v=1768222420 Filter King 12x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 44 x .75″ – FK12x44x1A-M8-4 Filter King 12x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 44 x .75″ – FK12x44x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-65-x-75-fk13x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x65x1A-M8-4.jpg?v=1768223233 Filter King 13x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 65 x .75″ – FK13x65x1A-M8-4 Filter King 13x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 65 x .75″ – FK13x65x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-34-5-x-75-fk7x34-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x34.5x1A-M8-4.jpg?v=1768223266 Filter King 7×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 34.5 x .75″ – FK7x34.5x1A-M8-4 Filter King 7×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 34.5 x .75″ – FK7x34.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-24-5-x-75-fk9x24-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x24.5x1A-M8-4.jpg?v=1768223449 Filter King 9×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 24.5 x .75″ – FK9x24.5x1A-M8-4 Filter King 9×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 24.5 x .75″ – FK9x24.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-64-x-75-fk15-5x64x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x64x1A-M8-4.jpg?v=1768223547 Filter King 15.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 64 x .75″ – FK15.5x64x1A-M8-4 Filter King 15.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 64 x .75″ – FK15.5x64x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-42-x-75-fk7x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x42x1A-M8-4.jpg?v=1768223772 Filter King 7x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 42 x .75″ – FK7x42x1A-M8-4 Filter King 7x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 42 x .75″ – FK7x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-50-x-75-fk7x50x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x50x1A-M8-4.jpg?v=1768223958 Filter King 7x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 50 x .75″ – FK7x50x1A-M8-4 Filter King 7x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 50 x .75″ – FK7x50x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-11-5-x-75-fk8x11-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x11.5x1A-M8-4.jpg?v=1768224175 Filter King 8×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 11.5 x .75″ – FK8x11.5x1A-M8-4 Filter King 8×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 11.5 x .75″ – FK8x11.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-54-x-75-fk4-5x54x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x54x1A-M8-4.jpg?v=1768224206 Filter King 4.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 54 x .75″ – FK4.5x54x1A-M8-4 Filter King 4.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 54 x .75″ – FK4.5x54x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-10-5-x-75-fk10-5-10-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x10.5x1A-M8-4.jpg?v=1768224418 Filter King 10.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 10.5 x .75″ – FK10.5×10.5x1A-M8-4 Filter King 10.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 10.5 x .75″ – FK10.5×10.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-17-x-75-fk12x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x17x1A-M8-4.jpg?v=1768224570 Filter King 12x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 17 x .75″ – FK12x17x1A-M8-4 Filter King 12x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 17 x .75″ – FK12x17x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-20-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-5-x-75-fk20-5-20-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_11_957ebac5-0e39-4e3d-abc5-eeab31f865b0.jpg?v=1768224683 Filter King 20.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75″ – FK20.5×20.5x1A-M8 -3 Filter King 20.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75″ – FK20.5×20.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-30-5-x-75-fk9x30x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x30x1A-M8-4.jpg?v=1768224982 Filter King 9×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 30.5 x .75″ – FK9x30x1A-M8-4 Filter King 9×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 30.5 x .75″ – FK9x30x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-21-5-x-75-fk15-5-21-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_11_da0cc206-2bb3-46f6-8b6f-50d525ae76f7.jpg?v=1768224993 Filter King 15.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 21.5 x .75″ – FK15.5×21.5x1A-M8 -3 Filter King 15.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 21.5 x .75″ – FK15.5×21.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-41-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_bc9f736a-424e-4ab3-857b-488d55146f0f.jpg?v=1768245153 Filter King 25x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 41 x .75″ Filter King 25x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 41 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-7-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B-Copy.jpg?v=1768245337 Filter King 27×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 7.5 x .75″ Filter King 27×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 7.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-45-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_a7e6fc7d-faba-4663-a92a-91488086bcdd.webp?v=1768245543 Filter King 20×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 45.5 x .75″ Filter King 20×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 45.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-32-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_395fc96e-fc89-4014-8c8b-d52a987f65cf.png?v=1768245752 Filter King 30.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 32.5 x .75″ Filter King 30.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 32.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-16-5-x-75-fk23x16-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E-Copy.jpg?v=1768246004 Filter King 23×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16.5 x .75″ – FK23x16.5x1A-M8 -4 Filter King 23×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16.5 x .75″ – FK23x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-24-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_bd3fdea4-33e5-43a9-9469-6d719f9eac2d.jpg?v=1768246254 Filter King 22.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 24.5 x .75″ Filter King 22.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 24.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-56-x-75-fk28-5x56x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_d55e0828-28ef-4bb4-be1a-5c5c6c42f652.jpg?v=1768246743 Filter King 28.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 56 x .75″ – FK28.5x56x1A-M8 -4 Filter King 28.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 56 x .75″ – FK28.5x56x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-12-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_b4b8ae75-c45a-478a-b64f-a486f7cbdad7.jpg?v=1768246914 Filter King 29.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 12.5 x .75″ Filter King 29.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 12.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-37-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_d181ca8c-f047-46ed-b6a3-5aa3d8d9d5c4.webp?v=1768247133 Filter King 27×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 37.5 x .75″ Filter King 27×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 37.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-63-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_5b10ffaa-9bee-4fc5-800d-995cf5a1aace.webp?v=1768247393 Filter King 18×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 63.5 x .75″ Filter King 18×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 63.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-40-5-x-75-fk22-5-40-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_6de53dd5-eaaf-4e9a-b10b-a78d3f169d6e.jpg?v=1768247653 Filter King 22.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 40.5 x .75″ – FK22.5×40.5x1A-M8 -4 Filter King 22.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 40.5 x .75″ – FK22.5×40.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-14-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_6366ff4f-38dc-4e3f-811d-eb04861cb2f5.jpg?v=1768247924 Filter King 25×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 14.5 x .75″ Filter King 25×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 14.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-63-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_cb83d4ec-58f5-4a58-a632-c22b5dc0b3b8.webp?v=1768248219 Filter King 24.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 63.5 x .75″ Filter King 24.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 63.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-34-x-75-fk22-5x34x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_b99d6b17-3b3f-4fde-9f72-b38d0ebd5abf.jpg?v=1768248322 Filter King 23.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34 x .75″ – FK22.5x34x1A-M8 -4 Filter King 23.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34 x .75″ – FK22.5x34x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-11-5-x-75-fk29x11-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_7a503f28-77ba-477d-9170-c5b58513ebf2.avif?v=1768248590 Filter King 29×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 11.5 x .75″ – FK29x11.5x1A-M8 -4 Filter King 29×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 11.5 x .75″ – FK29x11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-45-5-x-75-fk22x45-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_e60e60e6-0628-4c9f-b1c1-624b462bf92a.jpg?v=1768248832 Filter King 22×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 45.5 x .75″ – FK22x45.5x1A-M8 -4 Filter King 22×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 45.5 x .75″ – FK22x45.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-25-5-x-75-fk25-5-25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_b511319d-500a-41ed-87d4-63a762700f1d.jpg?v=1768249326 Filter King 25.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25.5 x .75″ – FK25.5×25.5x1A-M8 -4 Filter King 25.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25.5 x .75″ – FK25.5×25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-25-15-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-25-x-15-25-x-75-fb15-25x15-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3.jpg?v=1768275576 Filter King 15.25×15.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.25 x 15.25 x .75″ – FB15.25X15.25A -3 Filter King 15.25×15.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.25 x 15.25 x .75″ – FB15.25X15.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-29-5-x-75-fk29-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_f1561843-74db-4107-8650-e41b440e4d8a.jpg?v=1768275800 Filter King 29.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29.5 x .75″ – FK29.5×29.5x1A-M8 -3 Filter King 29.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29.5 x .75″ – FK29.5×29.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-24-5-x-75-fk11-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_1.jpg?v=1768276442 Filter King 11.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 24.5 x .75″ – FK11.5×24.5x1A-M8 -3 Filter King 11.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 24.5 x .75″ – FK11.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-62-x-75-fk16x62x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x62x1A-M8-4-2.jpg?v=1768276674 Filter King 16x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 62 x .75″ – FK16x62x1A-M8-4 Filter King 16x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 62 x .75″ – FK16x62x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-5-x-75-fk11x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x5x1A-M8-4.jpg?v=1768276690 Filter King 11x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 5 x .75″ – FK11x5x1A-M8-4 Filter King 11x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 5 x .75″ – FK11x5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-15-30-75-1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-15-x-30-75-x-75-fb15x30-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB15X30.75A-3.jpg?v=1768276812 Filter King Air Filters 15×30.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 15 x 30.75 x .75 – FB15X30.75A-3 Filter King Air Filters 15×30.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 15 x 30.75 x .75 – FB15X30.75A-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x36x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-35-5-x-75-fb10x36-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X36-3.jpg?v=1768277006 Filter King 10x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 35.5 x .75″ – FB10X36 -3 Filter King 10x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 35.5 x .75″ – FB10X36 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x36x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-35-5-x-75-fb10x36-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X36-3_2.jpg?v=1768278093 Filter King 10x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 35.5 x .75″ – FB10X36 -3 Filter King 10x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 35.5 x .75″ – FB10X36 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-39-x-75-fk8x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x39x1A-M8-4_1.avif?v=1768278867 Filter King 8x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 39 x .75″ – FK8x39x1A-M8-4 Filter King 8x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 39 x .75″ – FK8x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-16-x-75-fb10x16-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X16-4_5d267e80-9890-4b0a-8f72-5dab74f46cf7.jpg?v=1768278954 Filter King 10x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 16 x .75″ – FB10X16-4 Filter King 10x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 16 x .75″ – FB10X16-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-25-5-x-75-fk25-5-25-5x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x25.5x1A-M8-4_1.jpg?v=1768279204 Filter King 25.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25.5 x .75″ – FK25.5×25.5x1A-M8 -4 Filter King 25.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25.5 x .75″ – FK25.5×25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-12-x-75-fk4x12x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x12x1A-M8-4.jpg?v=1768281356 Filter King 4x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 12 x .75″ – FK4x12x1A-M8-4 Filter King 4x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 12 x .75″ – FK4x12x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-34-x-75-fk17-5x34x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x34x1A-M8-4.jpg?v=1768281554 Filter King 17.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34 x .75″ – FK17.5x34x1A-M8 -4 Filter King 17.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34 x .75″ – FK17.5x34x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-55-x-75-fk8x55x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x55x1A-M8-4.avif?v=1768282608 Filter King 8x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 55 x .75″ – FK8x55x1A-M8-4 Filter King 8x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 55 x .75″ – FK8x55x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-20-5-x-75-fk29x20-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x20.5x1A-M8-4.jpg?v=1768282695 Filter King 29×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 20.5 x .75″ – FK29x20.5x1A-M8 -4 Filter King 29×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 20.5 x .75″ – FK29x20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-26-5-x-75-fk14x26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x26.5x1A-M8-4.jpg?v=1768282937 Filter King 14×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 26.5 x .75″ – FK14x26.5x1A-M8-4 Filter King 14×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 26.5 x .75″ – FK14x26.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-18-x-75-fk9x18x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x18x1A-M8-12.jpg?v=1768283187 Filter King 9x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 18 x .75″ – FK9x18x1A-M8-12 Filter King 9x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 18 x .75″ – FK9x18x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-6-5-x-75-fk21x6-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x6.5x1A-M8-4.jpg?v=1768283324 Filter King 21×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 6.5 x .75″ – FK21x6.5x1A-M8 -4 Filter King 21×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 6.5 x .75″ – FK21x6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x27x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-27-x-75-fb18x27a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x24.5x1A-M8-4_11_dcc4a1fb-8e40-4bd6-8432-f17c1c8efbb7.jpg?v=1768283449 Filter King 18x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27 x .75″ – FB18X27A -3 Filter King 18x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27 x .75″ – FB18X27A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-13-x-75-fk10x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x13x1A-M8-4.jpg?v=1768283487 Filter King 10x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 13 x .75″ – FK10x13x1A-M8-4 Filter King 10x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 13 x .75″ – FK10x13x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-64-x-75-fk12x64x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x64x1A-M8-4.jpg?v=1768283713 Filter King 12x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 64 x .75″ – FK12x64x1A-M8-4 Filter King 12x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 64 x .75″ – FK12x64x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-56-5-x-75-fk19-5-56-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x56.5x1A-M8-4.jpg?v=1768284256 Filter King 19.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 56.5 x .75″ – FK19.5×56.5x1A-M8 -4 Filter King 19.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 56.5 x .75″ – FK19.5×56.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-35-5-x-75-fk7-5-35-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_2.jpg?v=1768284638 Filter King 7.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 35.5 x .75″ – FK7.5×35.5x1A-M8 -3 Filter King 7.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 35.5 x .75″ – FK7.5×35.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-25x25x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-25-x-25-x-75-fb22-25x25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_2_b2f8957b-3ff7-4574-b8c2-890db825775b.jpg?v=1768284816 Filter King 22.25x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.25 x 25 x .75″ – FB22.25X25A-3 Filter King 22.25x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.25 x 25 x .75″ – FB22.25X25A-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-39-x-75-fk4x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x39x1A-M8-4.jpg?v=1768288847 Filter King 4x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 39 x .75″ – FK4x39x1A-M8-4 Filter King 4x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 39 x .75″ – FK4x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-19-x-75-fk7x19x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x19x1A-M8-4.jpg?v=1768288856 Filter King 7x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 19 x .75″ – FK7x19x1A-M8-4 Filter King 7x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 19 x .75″ – FK7x19x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-50-x-75-fk4x50x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x50x1A-M8-4.jpg?v=1768289232 Filter King 4x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 50 x .75″ – FK4x50x1A-M8-4 Filter King 4x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 50 x .75″ – FK4x50x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-55-x-75-fk9x55x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x55x1A-M8-4.jpg?v=1768289293 Filter King 9x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 55 x .75″ – FK9x55x1A-M8-4 Filter King 9x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 55 x .75″ – FK9x55x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-63-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x63.webp?v=1768289352 Filter King 28×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 63.5 x .75″ Filter King 28×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 63.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-61-x-75-fk14-5x61x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x61x1A-M8-12.jpg?v=1768289706 Filter King 14.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 61 x .75″ – FK14.5x61x1A-M8-12 Filter King 14.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 61 x .75″ – FK14.5x61x1A-M8-12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-21-5-x-75-fk20-5-21-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_3.jpg?v=1768289695 Filter King 20.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75″ – FK20.5×21.5x1A-M8 -3 Filter King 20.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75″ – FK20.5×21.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-35-x-75-fk4x35x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x35x1A-M8-4.avif?v=1768289700 Filter King 4x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 35 x .75″ – FK4x35x1A-M8-4 Filter King 4x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 35 x .75″ – FK4x35x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-26-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x26.jpg?v=1768290013 Filter King 22.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 26.5 x .75″ Filter King 22.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 26.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-16-5-x-75-fk11x16-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x16.5x1A-M8-4.jpg?v=1768290055 Filter King 11×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 16.5 x .75″ – FK11x16.5x1A-M8-4 Filter King 11×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 16.5 x .75″ – FK11x16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-9-5-x-75-fk7-5-9-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x9.5x1A-M8-4.avif?v=1768290109 Filter King 7.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 9.5 x .75″ – FK7.5×9.5x1A-M8-4 Filter King 7.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 9.5 x .75″ – FK7.5×9.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-19-5-x-75-fk23-5-19-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x19.5x1A-M8-4.jpg?v=1768290589 Filter King 23.5×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19.5 x .75″ – FK23.5×19.5x1A-M8 -4 Filter King 23.5×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19.5 x .75″ – FK23.5×19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-7-x-75-fk24x7x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x7x1A-M8-4.avif?v=1768290617 Filter King 24x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7 x .75″ – FK24x7x1A-M8 -4 Filter King 24x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7 x .75″ – FK24x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-19-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x19.webp?v=1768290661 Filter King 22×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 19.5 x .75″ Filter King 22×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 19.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x27x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-26-5-x-75-fb16x27-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_4.jpg?v=1768291134 Filter King 16x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 26.5 x .75″ – FB16X27 -3 Filter King 16x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 26.5 x .75″ – FB16X27 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-38-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/30x38.jpg?v=1768291236 Filter King 30.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 38 x .75″ Filter King 30.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 38 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-38-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x38.jpg?v=1768291168 Filter King 22x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38 x .75″ Filter King 22x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-23-5-x-75-fk29-5-23-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x23.5x1A-M8-4.jpg?v=1768291195 Filter King 29.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 23.5 x .75″ – FK29.5×23.5x1A-M8 -4 Filter King 29.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 23.5 x .75″ – FK29.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-29-75-31-75-1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-29-75-x-31-75-x-75-fb29-75x31-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_4_f38e07f8-dfb8-4c56-8460-280e07523251.jpg?v=1768291330 Filter King Air Filters 29.75×31.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 29.75 x 31.75 x .75 – FB29.75X31.75A -3 Filter King Air Filters 29.75×31.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 29.75 x 31.75 x .75 – FB29.75X31.75A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-57-5-x-75-fk21-5-57-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x57.5x1A-M8-4.avif?v=1768291711 Filter King 21.5×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 57.5 x .75″ – FK21.5×57.5x1A-M8 -4 Filter King 21.5×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 57.5 x .75″ – FK21.5×57.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-46-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x46.jpg?v=1768291755 Filter King 28x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 46 x .75″ Filter King 28x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 46 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-62-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x26_d72777d6-bec0-407b-a82a-4e4dbd04bcd1.webp?v=1768291812 Filter King 28.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 62 x .75″ Filter King 28.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 62 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x21x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-21-x-75-fb17x21a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB17X21A-3-1.jpg?v=1768292329 Filter King 17x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 21 x .75″ – FB17X21A -3 Filter King 17x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 21 x .75″ – FB17X21A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x24x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-24-x-75-fk13x24x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_5.jpg?v=1768292491 Filter King 13x24x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 24 x .75″ – FK13x24x1A-M8 -3 Filter King 13x24x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 24 x .75″ – FK13x24x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-20-5-x-75-fk25-5-20-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x20.5x1A-M8-4.jpg?v=1768292727 Filter King 25.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 20.5 x .75″ – FK25.5×20.5x1A-M8 -4 Filter King 25.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 20.5 x .75″ – FK25.5×20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-16-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x16.jpg?v=1768292752 Filter King 19.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16 x .75″ Filter King 19.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-35-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x35-1.jpg?v=1768292847 Filter King 29x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 35 x .75″ Filter King 29x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 35 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-29-5-x-75-fk15-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_5_becf07f5-fc1e-4a5e-b46c-89832cfa7368.jpg?v=1768293313 Filter King 15.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 29.5 x .75″ – FK15.5×29.5x1A-M8-3 Filter King 15.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 29.5 x .75″ – FK15.5×29.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-32-x-75-fk21-5x32x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x32x1A-M8-4.jpg?v=1768293422 Filter King 21.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 32 x .75″ – FK21.5x32x1A-M8 -4 Filter King 21.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 32 x .75″ – FK21.5x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-37-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x37.jpg?v=1768293472 Filter King 19.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37 x .75″ Filter King 19.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-50-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25x50.webp?v=1768293596 Filter King 25x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50 x .75″ Filter King 25x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-35-5-x-75-fk19-5-35-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_5_5a780261-c139-4365-8df5-8718bacb8fac.jpg?v=1768293702 Filter King 19.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75″ – FK19.5×35.5x1A-M8-3 Filter King 19.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75″ – FK19.5×35.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-53-x-75-fk24-5x53x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x53x1A-M8-4.avif?v=1768294112 Filter King 24.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 53 x .75″ – FK24.5x53x1A-M8 -4 Filter King 24.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 53 x .75″ – FK24.5x53x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-58-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x58.jpg?v=1768294156 Filter King 19.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 58.5 x .75″ Filter King 19.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 58.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-1-x-23-1-x-75-fk17-5-23-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_5_3e247bce-b0a6-426e-82bc-5816a7102f80.jpg?v=1768294175 Filter King 17.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.1 x 23.1 x .75″ – FK17.5×23.5x1A-M8-3 Filter King 17.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.1 x 23.1 x .75″ – FK17.5×23.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-35-5-x-75-fk15-5-35-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_5_e503a49f-8fdf-434a-ab48-d92398ca7a8a.jpg?v=1768294370 Filter King 15.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 35.5 x .75″ – FK15.5×35.5x1A-M8 -3 Filter King 15.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 35.5 x .75″ – FK15.5×35.5x1A-M8 -3 WholesaleHVACDirect 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23.25 x .75″ – FB17.25X23.25A -3 Filter King 17.25×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 23.25 x .75″ – FB17.25X23.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-61-5-x-75-fk24-5-61-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x61.5x1A-M8-4.png?v=1768294717 Filter King 24.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61.5 x .75″ – FK24.5×61.5x1A-M8 -4 Filter King 24.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61.5 x .75″ – FK24.5×61.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-14-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17x14.jpg?v=1768294763 Filter King 17.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 14 x .75″ Filter King 17.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 14 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x25x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-25-x-75-fb23x25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB23X25A-3.jpg?v=1768294807 Filter King 23x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 25 x .75″ – FB23X25A -3 Filter King 23x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 25 x .75″ – FB23X25A -3 WholesaleHVACDirect 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Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-20-x-75-fk27-5x20x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x20x1A-M8-4.jpg?v=1768295528 Filter King 27.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 20 x .75″ – FK27.5x20x1A-M8 -4 Filter King 27.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 20 x .75″ – FK27.5x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-52-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x52-1.jpg?v=1768295578 Filter King 21.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52.5 x .75″ Filter King 21.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x28x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-28-x-75-fb22x28a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_6.jpg?v=1768295651 Filter King 22x28x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 28 x .75″ – FB22X28A -3 Filter King 22x28x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 28 x .75″ – FB22X28A -3 WholesaleHVACDirect 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Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 51.5 x .75″ – FK26.5×51.5x1A-M8 -4 Filter King 26.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 51.5 x .75″ – FK26.5×51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-51-x-75-fk26x51x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x51x1A-M8-4.avif?v=1768296144 Filter King 26x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 51 x .75″ – FK26x51x1A-M8 -4 Filter King 26x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 51 x .75″ – FK26x51x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-15-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-15-5-x-75-fk15-5-15-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_7.jpg?v=1768296248 Filter King 15.5×15.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 15.5 x .75″ – FK15.5×15.5x1A-M8-3 Filter King 15.5×15.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 15.5 x .75″ – FK15.5×15.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-16-x-75-fk20x16x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x16x1A-M8-4.jpg?v=1768296571 Filter King 20x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16 x .75″ – FK20x16x1A-M8 -4 Filter King 20x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16 x .75″ – FK20x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-14-5-x-75-fk24x14-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x14.5x1A-M8-4.jpg?v=1768296624 Filter King 24×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 14.5 x .75″ – FK24x14.5x1A-M8 -4 Filter King 24×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 14.5 x .75″ – FK24x14.5x1A-M8 -4 WholesaleHVACDirect 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18x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 64 x .75″ – FK18x64x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-14-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x14.webp?v=1768297148 Filter King 26x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 14 x .75″ Filter King 26x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 14 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/https-hvacdirect-store-products-filter-king-20x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-16-x-75-fk20x16x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x46x1A-M8-4.jpg?v=1768297194 Filter King 20x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46 x .75″ – FK20x46x1A-M8 -4 https://hvacdirect.store/products/filter-king-20x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-16-x-75-fk20x16x1a-m8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-51-5-x-75-fk20-5-51-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x51.5x1A-M8-4.png?v=1768297917 Filter King 20.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51.5 x .75″ – FK20.5×51.5x1A-M8 -4 Filter King 20.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51.5 x .75″ – FK20.5×51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-46-x-75-fk20x46x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x46x1A-M8-4_794ac083-5310-4141-9cbc-eff1fdc7ecdc.jpg?v=1768297967 Filter King 20x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46 x .75″ – FK20x46x1A-M8 -4 Filter King 20x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46 x .75″ – FK20x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-24-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x24.avif?v=1768298017 Filter King 29.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 24 x .75″ Filter King 29.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 24 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-31-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-31-5-x-75-fk24-5-31-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_7_e1dae8ae-d1d5-4c6b-a27e-6bf6958e34e6.jpg?v=1768298051 Filter King 24.5×31.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75″ – FK24.5×31.5x1A-M8-3 Filter King 24.5×31.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75″ – FK24.5×31.5x1A-M8-3 WholesaleHVACDirect 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Actual Size: 30 x 46 x .75″ – FK30x46x1A-M8 -4 Filter King 30x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 46 x .75″ – FK30x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-44-x-75-fk29x44x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x44x1A-M8-4.jpg?v=1768299147 Filter King 29x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 44 x .75″ – FK29x44x1A-M8 -4 Filter King 29x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 44 x .75″ – FK29x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-21-5-x-75-fk18-5-21-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_7_a487a262-1693-43ad-9182-74c9ba8bbfba.jpg?v=1768299260 Filter King 18.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21.5 x .75″ – FK18.5×21.5x1A-M8-3 Filter King 18.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21.5 x .75″ – FK18.5×21.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-24-x-75-fk30-5x24x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x24x1A-M8-4_aceef6b2-a620-47ec-873d-0ed0df735b9d.jpg?v=1768300084 Filter King 30.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 24 x .75″ – FK30.5x24x1A-M8 -4 Filter King 30.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 24 x .75″ – FK30.5x24x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-31-x-75-fk25-5x31x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x31x1A-M8-4.jpg?v=1768300145 Filter King 25.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 31 x .75″ – FK25.5x31x1A-M8-4 Filter King 25.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 31 x .75″ – FK25.5x31x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-65-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x65.webp?v=1768300187 Filter King 19x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 65 x .75″ Filter King 19x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 65 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x30x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-29-5-x-75-fb10x30n-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_7_b51c7773-6fd3-4395-8e47-063c539716cb.jpg?v=1768300270 Filter King 10x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x .75″ – FB10X30N -3 Filter King 10x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x .75″ – FB10X30N -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-4-x-75-fk30-5x4x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x4x1A-M8.jpg?v=1768300643 Filter King 30.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 4 x .75″ – FK30.5x4x1A-M8 Filter King 30.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 4 x .75″ – FK30.5x4x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-38-x-75-fk28-5x38x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x38x1A-M8-4.jpg?v=1768300727 Filter King 28.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 38 x .75″ – FK28.5x38x1A-M8 -4 Filter King 28.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 38 x .75″ – FK28.5x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-39-x-75-fk18x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x39x1A-M8-4.jpg?v=1768300792 Filter King 18x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 39 x .75″ – FK18x39x1A-M8 -4 Filter King 18x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 39 x .75″ – FK18x39x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-31-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-31-5-x-75-fk15-5-31-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_6_8299aac3-8681-48e8-b0b8-4985902a57da.jpg?v=1768300852 Filter King 15.5×31.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 31.5 x .75″ – FK15.5×31.5x1A-M8 -3 Filter King 15.5×31.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 31.5 x .75″ – FK15.5×31.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-5-x-75-fk23-5-23-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_9.jpg?v=1768301158 Filter King 23.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75″ – FK23.5×23.5x1A-M8 -3 Filter King 23.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75″ – FK23.5×23.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-28-x-75-fk22-5x28x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x28x1A-M8-4.jpg?v=1768301285 Filter King 22.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 28 x .75″ – FK22.5x28x1A-M8 -4 Filter King 22.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 28 x .75″ – FK22.5x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-39-x-75-fk21x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x39x1A-M8-4.jpg?v=1768301317 Filter King 21x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 39 x .75″ – FK21x39x1A-M8 -4 Filter King 21x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 39 x .75″ – FK21x39x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-17-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-17-5-x-75-fk13-5-17-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_10.jpg?v=1768301336 Filter King 13.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 17.5 x .75″ – FK13.5×17.5x1A-M8 -3 Filter King 13.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 17.5 x .75″ – FK13.5×17.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-65-x-75-fk21x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x65x1A-M8-4.png?v=1768301329 Filter King 21x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 65 x .75″ – FK21x65x1A-M8 -4 Filter King 21x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 65 x .75″ – FK21x65x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-19-5-x-75-fk16-5-19-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_11.jpg?v=1768301564 Filter King 16.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75″ – FK16.5×19.5x1A-M8 -3 Filter King 16.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75″ – FK16.5×19.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-8-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x8.5x1A-M8-4.jpg?v=1768301748 Filter King 24.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 8.5 x .75″ – Filter King 24.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 8.5 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-30-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23x30.webp?v=1768301786 Filter King 23.5×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30.5 x .75″ Filter King 23.5×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5-20-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-20-5-x-75-fk12-5-20-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x19.5x1A-M8-3_12.jpg?v=1768301824 Filter King 12.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 20.5 x .75″ – FK12.5×20.5x1A-M8-3 Filter King 12.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 20.5 x .75″ – FK12.5×20.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-23-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-23-25-x-75-fb21x23-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB21X23.25A-3_1.jpg?v=1768302006 Filter King 21×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.25 x .75″ – FB21X23.25A -3 Filter King 21×23.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.25 x .75″ – FB21X23.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-48-x-75-fk27-5x48x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x48x1A-M8-4.webp?v=1768302049 Filter King 27.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 48 x .75″ – FK27.5x48x1A-M8 -4 Filter King 27.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 48 x .75″ – FK27.5x48x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-6-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/24x6.5.jpg?v=1768302074 Filter King 24.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 6.5 x .75″ Filter King 24.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 6.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x27x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-27-x-75-fb20x27a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB20X27A-3_1.jpg?v=1768302266 Filter King 20x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27 x .75″ – FB20X27A -3 Filter King 20x27x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27 x .75″ – FB20X27A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-50-x-75-fk19x50x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x50x1A-M8-4.jpg?v=1768302340 Filter King 19x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50 x .75″ – FK19x50x1A-M8 -4 Filter King 19x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50 x .75″ – FK19x50x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-25-5-x-75-fk19-5-25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x25.5x1A-M8-4.jpg?v=1768302420 Filter King 19.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 25.5 x .75″ – FK19.5×25.5x1A-M8 -4 Filter King 19.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 25.5 x .75″ – FK19.5×25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-24-5-x-75-fk9-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_1.webp?v=1768302634 Filter King 9.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x .75″ – FK9.5×24.5x1A-M8 -3 Filter King 9.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 24.5 x .75″ – FK9.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-56-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17x56.jpg?v=1768302644 Filter King 17x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56 x .75″ Filter King 17x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-32-5-x-75-fk27-5-32-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x32.5x1A-M8-4.avif?v=1768302657 Filter King 27.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 32.5 x .75″ – FK27.5×32.5x1A-M8 -4 Filter King 27.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 32.5 x .75″ – FK27.5×32.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-11-75-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-11-75-x-75-fb09x11-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB09X11.75A-3_1.jpg?v=1768302714 Filter King 9×11.75×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 11.75 x .75″ – FB09X11.75A -3 Filter King 9×11.75×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 11.75 x .75″ – FB09X11.75A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-11-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-11-5-x-75-fb11-5x11-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_2.webp?v=1768302882 Filter King 11.5×11.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75″ – FB11.5X11.5A -3 Filter King 11.5×11.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75″ – FB11.5X11.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-23-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x23-1.webp?v=1768302955 Filter King 26.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 23.5 x .75″ Filter King 26.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 23.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-27-x-75-fk18-5x27x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x27x1A-M8-4.jpg?v=1768302973 Filter King 18.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 27 x .75″ – FK18.5x27x1A-M8 -4 Filter King 18.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 27 x .75″ – FK18.5x27x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-25-19-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-25-x-19-25-x-75-fb11-25x19-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_4.webp?v=1768303088 Filter King 11.25×19.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.25 x 19.25 x .75″ – FB11.25X19.25A -3 Filter King 11.25×19.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.25 x 19.25 x .75″ – FB11.25X19.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x23x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-23-x-75-fb21-5x23a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB21.5X23A-3.jpg?v=1768303248 Filter King 21.5x23x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23 x .75″ – FB21.5X23A -3 Filter King 21.5x23x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23 x .75″ – FB21.5X23A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-40-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x40.webp?v=1768303263 Filter King 19.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 40.5 x .75″ Filter King 19.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 40.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-34-5-x-75-fk19x34-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x34.5x1A-M8-4.jpg?v=1768303310 Filter King 19×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 34.5 x .75″ – FK19x34.5x1A-M8 -4 Filter King 19×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 34.5 x .75″ – FK19x34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x18x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-18-x-75-fb16x18a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16X18A-3.jpg?v=1768303435 Filter King 16x18x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75″ – FB16X18A -3 Filter King 16x18x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75″ – FB16X18A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-49-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x49.webp?v=1768303539 Filter King 29.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 49.5 x .75″ Filter King 29.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 49.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-21-5-x-75-fb13x21-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X21.5A-3.jpg?v=1768303605 Filter King 13×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 21.5 x .75″ – FB13X21.5A -3 Filter King 13×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 21.5 x .75″ – FB13X21.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-29-5-x-75-fk24-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_5.webp?v=1768303765 Filter King 24.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75″ – FK24.5×29.5x1A-M8-3 Filter King 24.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75″ – FK24.5×29.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-63-x-75-fk23x63x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x63x1A-M8-4.jpg?v=1768303779 Filter King 23x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 63 x .75″ – FK23x63x1A-M8 -4 Filter King 23x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 63 x .75″ – FK23x63x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-19-5-x-75-fk9-5-19-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_7.webp?v=1768303960 Filter King 9.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 19.5 x .75″ – FK9.5×19.5x1A-M8 -3 Filter King 9.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 19.5 x .75″ – FK9.5×19.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-13-5-x-75-fk17x13-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x13.5x1A-M8-4.jpg?v=1768306482 Filter King 17×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 13.5 x .75″ – FK17x13.5x1A-M8 -4 Filter King 17×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 13.5 x .75″ – FK17x13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-32-x-75-fk21x32x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x32x1A-M8-4.jpg?v=1768306657 Filter King 21x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 32 x .75″ – FK21x32x1A-M8 -4 Filter King 21x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 32 x .75″ – FK21x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-45-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x45.webp?v=1768306812 Filter King 29×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 45.5 x .75″ Filter King 29×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 45.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-65-x-75-fk25-5x65x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x65x1A-M8-4.avif?v=1768307033 Filter King 25.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 65 x .75″ – FK25.5x65x1A-M8 -4 Filter King 25.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 65 x .75″ – FK25.5x65x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-26-5-x-75-fk23x26-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x26.5x1A-M8-4.avif?v=1768307148 Filter King 23×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 26.5 x .75″ – FK23x26.5x1A-M8 -4 Filter King 23×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 26.5 x .75″ – FK23x26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-12-5-x-75-fk26x12-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x12.5x1A-M8-4.jpg?v=1768307335 Filter King 26×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 12.5 x .75″ – FK26x12.5x1A-M8 -4 Filter King 26×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 12.5 x .75″ – FK26x12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-54-x-75-fk19x54x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x54x1A-M8-4.jpg?v=1768307505 Filter King 19x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54 x .75″ – FK19x54x1A-M8 -4 Filter King 19x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54 x .75″ – FK19x54x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-42-x-75-fk24x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x42x1A-M8-4.png?v=1768307649 Filter King 24x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42 x .75″ – FK24x42x1A-M8 -4 Filter King 24x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42 x .75″ – FK24x42x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-9-x-75-fk19-5x9x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x9x1A-M8-4.jpg?v=1768307820 Filter King 19.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 9 x .75″ – FK19.5x9x1A-M8 -4 Filter King 19.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 9 x .75″ – FK19.5x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-66-x-75-fk21-5x66x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x66x1A-M8-4.png?v=1768307982 Filter King 21.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 66 x .75″ – FK21.5x66x1A-M8 -4 Filter King 21.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 66 x .75″ – FK21.5x66x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-53-5-x-75-fk22x53-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x53.5x1A-M8-4.avif?v=1768308112 Filter King 22×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 53.5 x .75″ – FK22x53.5x1A-M8 -4 Filter King 22×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 53.5 x .75″ – FK22x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-13-x-75-fk29x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x13x1A-M8-4.jpg?v=1768308273 Filter King 29x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 13 x .75″ – FK29x13x1A-M8 -4 Filter King 29x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 13 x .75″ – FK29x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-20-75-20-75-1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-20-75-x-20-75-x-75-fb20-75x20-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB20.75X20.75A-3-1.jpg?v=1768308356 Filter King Air Filters 20.75×20.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 20.75 x 20.75 x .75 – FB20.75X20.75A -3 Filter King Air Filters 20.75×20.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 20.75 x 20.75 x .75 – FB20.75X20.75A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-35-5-x-75-fk17-5-35-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_7_9b0b7fb6-203a-40cc-ba6d-ff78a452bb1e.webp?v=1768308524 Filter King 17.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35.5 x .75″ – FK17.5×35.5x1A-M8-3 Filter King 17.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35.5 x .75″ – FK17.5×35.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-25x22x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-25-x-22-x-75-fb18-25x22a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB18.25X22A-3_1.jpg?v=1768309107 Filter King 18.25x22x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.25 x 22 x .75″ – FB18.25X22A -3 Filter King 18.25x22x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.25 x 22 x .75″ – FB18.25X22A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-38-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_a03d6eae-353e-4c50-8179-61ccfcfa4a25.jpg?v=1768329934 Filter King 17.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 38.5 x .75″ Filter King 17.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 38.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-13-x-75-fk22-5x13x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_1140863b-8c5e-44ba-aa04-8acac5268d38.avif?v=1768330757 Filter King 22.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 13 x .75″ – FK22.5x13x1A-M8 -4 Filter King 22.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 13 x .75″ – FK22.5x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-14-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-14-5-x-75-fk14-5-14-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3.jpg?v=1768331378 Filter King 14.5×14.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 14.5 x .75″ – FK14.5×14.5x1A-M8-3 Filter King 14.5×14.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 14.5 x .75″ – FK14.5×14.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-17-x-75-fk29-5x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_711d378c-f951-40fc-acb6-58bb87d15383.jpg?v=1768331800 Filter King 29.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 17 x .75″ – FK29.5x17x1A-M8 -4 Filter King 29.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 17 x .75″ – FK29.5x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-22-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-22-25-x-75-fb20x22-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB20X22.25A-3.jpg?v=1768331971 Filter King 20×22.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 22.25 x .75″ – FB20X22.25A-3 Filter King 20×22.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 22.25 x .75″ – FB20X22.25A-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-24-5-x-75-fk13-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_ed88c6ac-238b-4d0f-b996-150fe7d6e97a.jpg?v=1768332308 Filter King 13.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 24.5 x .75″ – FK13.5×24.5x1A-M8 -3 Filter King 13.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 24.5 x .75″ – FK13.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-24-5-x-75-fk15-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_b438aa40-fc1c-41eb-a610-45f83f444830.jpg?v=1768334321 Filter King 15.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75″ – FK15.5×24.5x1A-M8 -3 Filter King 15.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75″ – FK15.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-75-23-75-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-75-x-23-75-x-75-fb09-75x23-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB09.75X23.75A-3.jpg?v=1768334353 Filter King 9.75×23.75×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.75 x 23.75 x .75″ – FB09.75X23.75A -3 Filter King 9.75×23.75×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.75 x 23.75 x .75″ – FB09.75X23.75A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x22x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-21-5-x-1-75-fb17x22x2-13 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_deab4684-e633-4331-8ac5-8627573b4a5f.jpg?v=1768367035 Filter King 17x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21.5 x 1.75″ – FB17X22X2 -12 Filter King 17x22x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21.5 x 1.75″ – FB17X22X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-42-5-x-75-fk19-5-42-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x42.5x1A-M8-4.png?v=1768367325 Filter King 19.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 42.5 x .75″ – FK19.5×42.5x1A-M8 -4 Filter King 19.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 42.5 x .75″ – FK19.5×42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-29-5-x-75-fk11-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_1.jpg?v=1768367472 Filter King 11.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x .75″ – FK11.5×29.5x1A-M8 -3 Filter King 11.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x .75″ – FK11.5×29.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-8-x-75-fk23-5x8x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x8x1A-M8-4.avif?v=1768367675 Filter King 23.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8 x .75″ – FK23.5x8x1A-M8 -4 Filter King 23.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8 x .75″ – FK23.5x8x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-6-x-75-fk22-5x6x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x6x1A-M8-4.jpg?v=1768368032 Filter King 22.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 6 x .75″ – FK22.5x6x1A-M8 -4 Filter King 22.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 6 x .75″ – FK22.5x6x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-7-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-7-5-x-75-fk7-5-7-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_2.jpg?v=1768368280 Filter King 7.5×7.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 7.5 x .75″ – FK7.5×7.5x1A-M8 -3 Filter King 7.5×7.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 7.5 x .75″ – FK7.5×7.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-12-5-x-75-fk24-5-12-5x1a-m8 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x12.5x1A-M8.jpg?v=1768368322 Filter King 24.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 12.5 x .75″ – FK24.5×12.5x1A-M8 Filter King 24.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 12.5 x .75″ – FK24.5×12.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-17-x-75-fk29-5x17x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x17x1A-M8-4.jpg?v=1768368364 Filter King 29.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 17 x .75″ – FK29.5x17x1A-M8 -4 Filter King 29.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 17 x .75″ – FK29.5x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-25-29-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-25-x-29-25-x-75-fb23-25x29-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_2_9cf11ca3-10e0-4b6e-b691-1c5c1cdcd26d.jpg?v=1768368464 Filter King 23.25×29.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.25 x 29.25 x .75″ – FB23.25X29.25A -3 Filter King 23.25×29.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.25 x 29.25 x .75″ – FB23.25X29.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-6-x-75-fk28-5x6x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x6x1A-M8-4.jpg?v=1768368515 Filter King 28.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 6 x .75″ – FK28.5x6x1A-M8 -4 Filter King 28.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 6 x .75″ – FK28.5x6x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-17-5-x-75-fk24x17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x17.5x1A-M8-4.jpg?v=1768368672 Filter King 24×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17.5 x .75″ – FK24x17.5x1A-M8 -4 Filter King 24×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17.5 x .75″ – FK24x17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-25-21-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-25-x-21-25-x-75-fb16-25x21-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_2_d836e799-f978-4a4d-9979-3db73ae50941.jpg?v=1768368707 Filter King 16.25×21.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.25 x 21.25 x .75″ – FB16.25X21.25A -3 Filter King 16.25×21.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.25 x 21.25 x .75″ – FB16.25X21.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-23-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_1_fbd1dafa-076d-4144-bfc1-11c0a98d43bb.jpg?v=1768368836 Filter King 12.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 23.5 x .75″ Filter King 12.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 23.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-25-5-x-75-fk22-5-25-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x25.5x1A-M8-4.avif?v=1768368988 Filter King 22.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 25.5 x .75″ – FK22.5×25.5x1A-M8 -4 Filter King 22.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 25.5 x .75″ – FK22.5×25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-63-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x63x2.jpg?v=1768369115 Filter King 18.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 63.5 x .75″ Filter King 18.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 63.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-22-x-75-fk24x22x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x22x1A-M8-4.jpg?v=1768369258 Filter King 24x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 22 x .75″ – FK24x22x1A-M8 -4 Filter King 24x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 22 x .75″ – FK24x22x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x20x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-19-5-x-1-75-fb14x20x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_1.jpg?v=1768369446 Filter King 14x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x 1.75″ – FB14X20X2 -12 Filter King 14x20x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x 1.75″ – FB14X20X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-21-5-x-75-fb20x21-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB20X21.5A-3.jpg?v=1768369504 Filter King 20×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21.5 x .75″ – FB20X21.5A -3 Filter King 20×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21.5 x .75″ – FB20X21.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-17-x-75-fk28x17x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x17x1A-M8-4.jpg?v=1768369658 Filter King 28x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 17 x .75″ – FK28x17x1A-M8 -4 Filter King 28x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 17 x .75″ – FK28x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-36-5-x-75-fk30-5-36-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x36.5x1A-M8-4.jpg?v=1768369856 Filter King 30.5×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 36.5 x .75″ – FK30.5×36.5x1A-M8 -4 Filter King 30.5×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 36.5 x .75″ – FK30.5×36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x20x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-19-5-x-75-fb16x20-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_2.jpg?v=1768369996 Filter King 16x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75″ – FB16X20 -12 Filter King 16x20x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75″ – FB16X20 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-23-x-75-fk28x23x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x23x1A-M8-4.jpg?v=1768370115 Filter King 28x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 23 x .75″ – FK28x23x1A-M8 -4 Filter King 28x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 23 x .75″ – FK28x23x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-66-5-x-75-fk26x66-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x66.5x1A-M8-4.png?v=1768370370 Filter King 26×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 66.5 x .75″ – FK26x66.5x1A-M8 -4 Filter King 26×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 66.5 x .75″ – FK26x66.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x19x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-18-5-1-75-fb16x19x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3.jpg?v=1768371558 Filter King 16x19x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5×18.5×1.75″ – FB16X19X2 -12 Filter King 16x19x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5×18.5×1.75″ – FB16X19X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-18-5-x-75-fk17x18-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x18.5x1A-M8-4.jpg?v=1768371639 Filter King 17×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18.5 x .75″ – FK17x18.5x1A-M8 -4 Filter King 17×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18.5 x .75″ – FK17x18.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-19-5-x-75-fk15-5-19-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_1_04310e81-bf63-4bbd-8621-58bf9ec674c1.jpg?v=1768371721 Filter King 15.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75″ – FK15.5×19.5x1A-M8 -3 Filter King 15.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75″ – FK15.5×19.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-40-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x40.jpg?v=1768371787 Filter King 18x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 40 x .75″ Filter King 18x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 40 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-9-x-75-fk17x9x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x9x1A-M8-4.jpg?v=1768372091 Filter King 17x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 9 x .75″ – FK17x9x1A-M8 -4 Filter King 17x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 9 x .75″ – FK17x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x28x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-27-5-x-75-fb25x28-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3_4332249b-981a-4eeb-9a6f-65648aad48fc.jpg?v=1768372563 Filter King 25x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27.5 x .75″ – FB25X28 -12 Filter King 25x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27.5 x .75″ – FB25X28 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-11-x-75-fk21x11x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x11x1A-M8-4.jpg?v=1768372612 Filter King 21x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 11 x .75″ – FK21x11x1A-M8 -4 Filter King 21x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 11 x .75″ – FK21x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-39-x-75-fk18-5x39x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x39x1A-M8-4.jpg?v=1768372974 Filter King 18.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 39 x .75″ – FK18.5x39x1A-M8 -4 Filter King 18.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 39 x .75″ – FK18.5x39x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-55-x-75-fk19x55x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x55x1A-M8-4.webp?v=1768372999 Filter King 19x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55 x .75″ – FK19x55x1A-M8 -4 Filter King 19x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55 x .75″ – FK19x55x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-23-5-x-75-fk15-5-23-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_04fc2b18-7f51-4e13-a694-66afa42d6381.jpg?v=1768373038 Filter King 15.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x .75″ – FK15.5×23.5x1A-M8 -3 Filter King 15.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x .75″ – FK15.5×23.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x12x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-11-5-x-75-fb12x12-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3_229d5179-7042-43fe-8abc-984c90ab65b7.jpg?v=1768373352 Filter King 12x12x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75″ – FB12X12 -12 Filter King 12x12x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75″ – FB12X12 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-8-5-x-75-fk23x8-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x8.5x1A-M8-4.jpg?v=1768373527 Filter King 23×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 8.5 x .75″ – FK23x8.5x1A-M8 -4 Filter King 23×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 8.5 x .75″ – FK23x8.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-61-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/24x61.jpg?v=1768374074 Filter King 24x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61 x .75″ Filter King 24x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-25-29-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-25-x-29-25-x-75-fb17-25x29-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_2_2f0e1c1e-2695-436c-af8c-8cfec45af292.jpg?v=1768374132 Filter King 17.25×29.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 29.25 x .75″ – FB17.25X29.25A -3 Filter King 17.25×29.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 29.25 x .75″ – FB17.25X29.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-5-x-75-fk17x5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x5x1A-M8-4.avif?v=1768374209 Filter King 17x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5 x .75″ – FK17x5x1A-M8 -4 Filter King 17x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5 x .75″ – FK17x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-19-x-75-fk24-5x19x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x19x1A-M8-4.jpg?v=1768374738 Filter King 24.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19 x .75″ – FK24.5x19x1A-M8 -4 Filter King 24.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19 x .75″ – FK24.5x19x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-37-5-x-75-fk29-5-37-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x37.5x1A-M8-4.jpg?v=1768375029 Filter King 29.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 37.5 x .75″ – FK29.5×37.5x1A-M8 -4 Filter King 29.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 37.5 x .75″ – FK29.5×37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-15-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-15-5-x-75-fk11-5-15-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_2_7c82f382-f4f0-418e-a6c9-496b8088c9f2.jpg?v=1768375101 Filter King 11.5×15.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 15.5 x .75″ – FK11.5×15.5x1A-M8 -3 Filter King 11.5×15.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 15.5 x .75″ – FK11.5×15.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-27-5-x-75-fk23x27-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x27.5x1A-M8-4.avif?v=1768375338 Filter King 23×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 27.5 x .75″ – FK23x27.5x1A-M8 -4 Filter King 23×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 27.5 x .75″ – FK23x27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-48-5-x-75-fk21x48-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x48.5x1A-M8-4.jpg?v=1768375872 Filter King 21×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48.5 x .75″ – FK21x48.5x1A-M8 -4 Filter King 21×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48.5 x .75″ – FK21x48.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-25x26x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-25-x-26-x-75-fb17-25x26a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_8dc9d18d-14a1-42f2-b477-92d64841bc8f.jpg?v=1768376131 Filter King 17.25x26x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 26 x .75″ – FB17.25X26A -3 Filter King 17.25x26x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 26 x .75″ – FB17.25X26A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-19-x-75-fk30x19x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x19x1A-M8-4.avif?v=1768376261 Filter King 30x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 19 x .75″ – FK30x19x1A-M8 -4 Filter King 30x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 19 x .75″ – FK30x19x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-8-x-75-fk22x8x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x8x1A-M8-4.jpg?v=1768376934 Filter King 22x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 8 x .75″ – FK22x8x1A-M8 -4 Filter King 22x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 8 x .75″ – FK22x8x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-4-5-x-75-fk19x4-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x4.5x1A-M8-4.avif?v=1768377140 Filter King 19×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 4.5 x .75″ – FK19x4.5x1A-M8 -4 Filter King 19×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 4.5 x .75″ – FK19x4.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-19-5-x-75-fk14-5-19-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_05cc0580-8ec5-4d6b-b598-f23671a2c379.jpg?v=1768377212 Filter King 14.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19.5 x .75″ – FK14.5×19.5x1A-M8-3 Filter King 14.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 19.5 x .75″ – FK14.5×19.5x1A-M8-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-55-x-75-fk17-5x55x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x55x1A-M8-4.jpg?v=1768377637 Filter King 17.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 55 x .75″ – FK17.5x55x1A-M8 -4 Filter King 17.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 55 x .75″ – FK17.5x55x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-60-5-x-75-fk29x60-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x60.5x1A-M8-4.jpg?v=1768378129 Filter King 29×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 60.5 x .75″ – FK29x60.5x1A-M8 -4 Filter King 29×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 60.5 x .75″ – FK29x60.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-20-75-21-75-1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-20-75-x-21-75-x-75-fb20-75x21-75a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x14.5x1A-M8-3_854ea8f5-ff5a-41e9-8492-10fe75debb37.jpg?v=1768378294 Filter King Air Filters 20.75×21.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 20.75 x 21.75 x .75 – FB20.75X21.75A -3 Filter King Air Filters 20.75×21.75×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 20.75 x 21.75 x .75 – FB20.75X21.75A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-19-5-x-75-fk28x19-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x19.5x1A-M8-4.jpg?v=1768378353 Filter King 28×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 19.5 x .75″ – FK28x19.5x1A-M8 -4 Filter King 28×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 19.5 x .75″ – FK28x19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-55-5-x-75-fk25-5-55-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x55.5x1A-M8-4.jpg?v=1768379349 Filter King 25.5×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 55.5 x .75″ – FK25.5×55.5x1A-M8 -4 Filter King 25.5×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 55.5 x .75″ – FK25.5×55.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-20-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-20-5-x-75-fk18-5-20-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/AAA_b887c035-7292-4cd6-8fdd-742922ab5cab.jpg?v=1768380112 Filter King 18.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75″ – FK18.5×20.5x1A-M8 -3 Filter King 18.5×20.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75″ – FK18.5×20.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-15-5-x-75-fk20x15-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_c2547d16-70e5-47fe-83ce-0229720652de.jpg?v=1768380157 Filter King 20×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15.5 x .75″ – FK20x15.5x1A-M8 -4 Filter King 20×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15.5 x .75″ – FK20x15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-10-x-75-fk30x10x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_2981b1a5-96e5-4524-b391-0e678befbf78.avif?v=1768380220 Filter King 30x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 10 x .75″ – FK30x10x1A-M8 -4 Filter King 30x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 10 x .75″ – FK30x10x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-35-x-75-fk25x35x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_acd3afa1-4638-49c3-8192-b655a138edce.jpg?v=1768380864 Filter King 25x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 35 x .75″ – FK25x35x1A-M8 -4 Filter King 25x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 35 x .75″ – FK25x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-12-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-12-25-x-75-fb06x12-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_ffe5baea-abff-4a13-83be-901ebfab40ba.jpg?v=1768380916 Filter King 6×12.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 12.25 x .75″ – FB06X12.25A -3 Filter King 6×12.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 12.25 x .75″ – FB06X12.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-42-x-75-fk21-5x42x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/BB_0df3c0fa-86d4-4a8c-9304-4c1814232c68.jpg?v=1768380964 Filter King 21.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 42 x .75″ – FK21.5x42x1A-M8 -4 Filter King 21.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 42 x .75″ – FK21.5x42x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-13-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-13-5-x-75-fk5-5-13-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_01040193-4b39-4792-8ffe-efdae7da113a.jpg?v=1768381575 Filter King 5.5×13.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 13.5 x .75″ – FK5.5×13.5x1A-M8 -3 Filter King 5.5×13.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 13.5 x .75″ – FK5.5×13.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-29-x-75-fk23-5x29x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_61b8abf0-9ede-4424-8689-dea6d85721a6.jpg?v=1768381628 Filter King 23.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29 x .75″ – FK23.5x29x1A-M8 -4 Filter King 23.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29 x .75″ – FK23.5x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-53-5-x-75-fk25x53-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_582e8e42-ad5e-400d-b96c-ab8c0ba4941f.webp?v=1768381681 Filter King 25×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 53.5 x .75″ – FK25x53.5x1A-M8 -4 Filter King 25×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 53.5 x .75″ – FK25x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-19-5-x-75-fk18-5-19-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_f2561587-97a6-4d23-b7f2-efc7e1af4c2a.jpg?v=1768382215 Filter King 18.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19.5 x .75″ – FK18.5×19.5x1A-M8 -3 Filter King 18.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19.5 x .75″ – FK18.5×19.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-50-5-x-75-fk27-5-50-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_9cbf8837-4746-4492-9d06-e16989a9a5e1.jpg?v=1768382269 Filter King 27.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 50.5 x .75″ – FK27.5×50.5x1A-M8 -4 Filter King 27.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 50.5 x .75″ – FK27.5×50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-49-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_f7384d9c-850f-47d2-8702-6d2495fc6efc.jpg?v=1768382302 Filter King 23.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 49 x .75″ Filter King 23.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 49 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-12-5-x-75-fk22x12-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_7e8f83f6-d475-44cc-8661-351fdd872c19.webp?v=1768383638 Filter King 22×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 12.5 x .75″ – FK22x12.5x1A-M8 -4 Filter King 22×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 12.5 x .75″ – FK22x12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-29-x-75-fk27x29x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_6c6bc03c-6788-4144-a09a-a1b6e2890121.jpg?v=1768383686 Filter King 27x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 29 x .75″ – FK27x29x1A-M8 -4 Filter King 27x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 29 x .75″ – FK27x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-17-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-17-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_eb8b9013-1ad1-4a40-a85f-b45b1aa3f856.jpg?v=1768383736 Filter King 11.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 17.5 x .75″ – Filter King 11.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 17.5 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-24-5-x-75-fk16-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/AAA_f72d5ab9-f00f-4540-9182-7c1cf2ab04fd.jpg?v=1768384356 Filter King 16.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24.5 x .75″ – FK16.5×24.5x1A-M8 -3 Filter King 16.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24.5 x .75″ – FK16.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-28-5-x-75-fk23x28-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x28.5x1A-M8-4.png?v=1768385046 Filter King 23×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 28.5 x .75″ – FK23x28.5x1A-M8 -4 Filter King 23×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 28.5 x .75″ – FK23x28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x36x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-36-x-75-fb29-5x36a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x24.5x1A-M8-3_7_9d194000-aae6-4a76-9916-f2a93fcb0e33.webp?v=1768385535 Filter King 29.5x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 36 x .75″ – FB29.5X36A -3 Filter King 29.5x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 36 x .75″ – FB29.5X36A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-47-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x47.webp?v=1768385664 Filter King 26×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 47.5 x .75″ Filter King 26×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 47.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-88-12-13-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-88-x-12-13-x-75-fb5-88x12-13a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3.jpg?v=1768386079 Filter King 5.88×12.13×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.88 x 12.13 x .75″ – FB5.88X12.13A -3 Filter King 5.88×12.13×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.88 x 12.13 x .75″ – FB5.88X12.13A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-28-5-x-75-fk23-5-28-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x28.5x1A-M8-4.jpg?v=1768386581 Filter King 23.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28.5 x .75″ – FK23.5×28.5x1A-M8 -4 Filter King 23.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28.5 x .75″ – FK23.5×28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-51-5-x-75-fk30x51-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x51.5x1A-M8-4.jpg?v=1768386763 Filter King 30×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 51.5 x .75″ – FK30x51.5x1A-M8 -4 Filter King 30×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 51.5 x .75″ – FK30x51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-25-35-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-25-x-35-25-x-75-fb17-25x35-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1.jpg?v=1768386877 Filter King 17.25×35.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 35.25 x .75″ – FB17.25X35.25A -3 Filter King 17.25×35.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 35.25 x .75″ – FB17.25X35.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-33-x-75-fk20-5x33x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_2817b193-b884-4fa5-8c82-6e75b73e92ab.jpg?v=1768387673 Filter King 20.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 33 x .75″ – FK20.5x33x1A-M8 -4 Filter King 20.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 33 x .75″ – FK20.5x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-22-x-75-fk27x22x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x22x1A-M8-4.avif?v=1768388553 Filter King 27x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 22 x .75″ – FK27x22x1A-M8 -4 Filter King 27x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 22 x .75″ – FK27x22x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-64-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_0d0670f7-3e2f-4f84-ba17-9aaade0346d4.webp?v=1768388596 Filter King 27.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 64.5 x .75″ Filter King 27.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 64.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-36-x-75-fk21x36x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x36x1A-M8-4.jpg?v=1768389035 Filter King 21x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36 x .75″ – FK21x36x1A-M8 -4 Filter King 21x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36 x .75″ – FK21x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-26-x-75-fk21x26x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x26x1A-M8-4-1.jpg?v=1768391655 Filter King 21x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26 x .75″ – FK21x26x1A-M8 -4 Filter King 21x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26 x .75″ – FK21x26x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-13-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23x13.webp?v=1768392454 Filter King 23x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13 x .75″ Filter King 23x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-26-x-75-fk21x26x1a-m8-5 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x26x1A-M8-4_98ebb0a8-47ee-41aa-86c3-d458f14629f9.jpg?v=1768451342 Filter King 21x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26 x .75″ – FK21x26x1A-M8 -4 Filter King 21x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26 x .75″ – FK21x26x1A-M8 -4 WholesaleHVACDirect 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4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 28 x .75″ – FK26.5x28x1A-M8 -4 Filter King 26.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 28 x .75″ – FK26.5x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-52-5-x-75-fk26-5-52-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x52.5x1A-M8-4.jpg?v=1768453219 Filter King 26.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 52.5 x .75″ – FK26.5×52.5x1A-M8 -4 Filter King 26.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 52.5 x .75″ – FK26.5×52.5x1A-M8 -4 WholesaleHVACDirect 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https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_7274b00a-7f91-4e19-8a21-4a8a860289e2.jpg?v=1768461234 Filter King 15.5×18.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 18.5 x .75″ – FK15.5×18.5x1A-M8 -3 Filter King 15.5×18.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 18.5 x .75″ – FK15.5×18.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-21-5-x-75-fk17-5-21-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_2_31ae56d1-e557-4965-b40a-ae4328a73fc0.jpg?v=1768461381 Filter King 17.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75″ – FK17.5×21.5x1A-M8 -3 Filter King 17.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75″ – FK17.5×21.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x6x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-6-x-75-fk14x6x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_1_58252e78-65ea-4ec0-af26-cf0b58487aa7.jpg?v=1768462838 Filter King 14x6x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 6 x .75″ – FK14x6x1A-M8 -3 Filter King 14x6x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 6 x .75″ – FK14x6x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-25-19-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-25-x-19-25-x-75-fb17-25x19-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_1_58252e78-65ea-4ec0-af26-cf0b58487aa7.jpg?v=1768462838 Filter King 17.25×19.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 19.25 x .75″ – FB17.25X19.25A -3 Filter King 14x6x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 6 x .75″ – FK14x6x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-24-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-24-5-x-75-fk17-5-24-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_e6775218-f9a3-48fc-b12f-d84a151e94f5.jpg?v=1768465391 Filter King 17.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75″ – FK17.5×24.5x1A-M8 -3 Filter King 17.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75″ – FK17.5×24.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-17-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-17-5-x-75-fk13-5-17-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_a1d9db86-20cd-4dee-8de4-d2ccf9f6d0d0.jpg?v=1768466161 Filter King 13.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 17.5 x .75″ – FK13.5×17.5x1A-M8 -3 Filter King 13.5×17.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 17.5 x .75″ – FK13.5×17.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-air-filters-19-75-21-5-1-3-pack-merv-8-hvac-pleated-ac-furnace-filters-actual-size-19-75-x-21-5-x-75-fb19-75x21-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_4c74125f-61cd-4737-b3cb-91232c1703dd.jpg?v=1768466951 Filter King Air Filters 19.75×21.5×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 19.75 x 21.5 x .75 – FB19.75X21.5A -3 Filter King Air Filters 19.75×21.5×1 | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 19.75 x 21.5 x .75 – FB19.75X21.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-38-21-38-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-38-x-21-38-x-75-fb16-38x21-38a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB16.38X21.38A-3.jpg?v=1768467059 Filter King 16.38×21.38×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.38 x 21.38 x .75″ – FB16.38X21.38A -3 Filter King 16.38×21.38×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.38 x 21.38 x .75″ – FB16.38X21.38A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-9-5-1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-9-5-x-75-fk9-5-9-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3_d968cc1b-f9ee-42f5-93b1-61c3dcd20e90.jpg?v=1768467377 Filter King 9.5×9.5×1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x .75″ – FK9.5×9.5x1A-M8 -12 Filter King 9.5×9.5×1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x .75″ – FK9.5×9.5x1A-M8 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-25-17-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-25-x-17-25-x-75-fb17-25x17-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_d99303b0-7233-40be-a77c-d3aa23f0f708.jpg?v=1768467531 Filter King 17.25×17.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 17.25 x .75″ – FB17.25X17.25A-3 Filter King 17.25×17.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.25 x 17.25 x .75″ – FB17.25X17.25A-3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-13-19-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-13-x-19-5-x-75-fb12-13x19-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4.jpg?v=1768467628 Filter King 12.13×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.13 x 19.5 x .75″ – FB12.13X19.5A -3 Filter King 12.13×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.13 x 19.5 x .75″ – FB12.13X19.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x32x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-31-5-x-75-fb25x32-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3_d86c23f7-0e82-43ee-a3af-bc42d0ef61f5.jpg?v=1768467778 Filter King 25x32x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75″ – FB25X32 -12 Filter King 25x32x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75″ – FB25X32 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-35-5-x-75-fb08x35-5a-3 2026-07-21T15:48:15-04:00 daily 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FB20X22 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x21x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-21-x-75-fb19-5x21a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB19.5X21A-3.jpg?v=1768468870 Filter King 19.5x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21 x .75″ – FB19.5X21A -3 Filter King 19.5x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21 x .75″ – FB19.5X21A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-6-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_099a6e6f-c871-4147-b73a-48fbb1438e49.avif?v=1768469543 Filter King 29.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 6 x .75″ Filter King 29.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 6 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-60-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/AAA_c759ce4c-14b2-471f-afb7-a6e567acd9d7.jpg?v=1768469738 Filter King 26.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 60.5 x .75″ Filter King 26.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 60.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-4-x-75 2026-07-21T15:48:15-04:00 daily 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https://hvacdirect.store/products/filter-king-18x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-51-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_f59a913b-eff1-46e9-a7d9-98ed3c5be925.webp?v=1768470444 Filter King 18x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 51 x .75″ Filter King 18x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 51 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x18x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-75-x-17-75-x-1-75-fkfb12x18-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_12da6275-4d5d-460c-a500-ceecd134f26b.jpg?v=1768473517 Filter King 12x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 17.75 x 1.75″ – FKFB12X18 -12 Filter King 12x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 17.75 x 1.75″ – FKFB12X18 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-22-25-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-22-25-x-75-fb16x22-25a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_5fe9966e-f3f2-43f4-9249-57c296267338.jpg?v=1768473632 Filter King 16×22.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 22.25 x .75″ – FB16X22.25A -3 Filter King 16×22.25×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 22.25 x .75″ – FB16X22.25A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x25x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-24-5-x-75-fb15x25-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_24818b2e-dd8a-4055-832e-a3efeb666ee3.jpg?v=1768473719 Filter King 15x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 24.5 x .75″ – FB15X25 -12 Filter King 15x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 24.5 x .75″ – FB15X25 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-35-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-35-5-x-75-fk11-5-35-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_b2345e72-eed4-4a0a-8e4d-47d036746b21.jpg?v=1768474301 Filter King 11.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 35.5 x .75″ – FK11.5×35.5x1A-M8 -3 Filter King 11.5×35.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 35.5 x .75″ – FK11.5×35.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x36x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-35-5-x-75-fb24x36-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_02f00c97-6847-41de-b0bb-a78e48448cf9.jpg?v=1768474406 Filter King 24x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75″ – FB24X36 -12 Filter King 24x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75″ – FB24X36 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x16x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-15-5-x-75-fb16x16-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_b15d8fe3-369a-40c0-bf27-39b538022b37.jpg?v=1768474497 Filter King 16x16x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 15.5 x .75″ – FB16X16 -12 Filter King 16x16x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 15.5 x .75″ – FB16X16 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x29x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-28-5-x-1-75-fb29x29x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_e7e50bb9-8475-4854-82c8-fc16439d9cde.jpg?v=1768475105 Filter King 29x29x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 28.5 x 1.75″ – FB29X29X2 -12 Filter King 29x29x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 28.5 x 1.75″ – FB29X29X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-29-5-x-75-fk13-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_c501f445-1655-4a37-ba41-74b0554d0997.jpg?v=1768475212 Filter King 13.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 29.5 x .75″ – FK13.5×29.5x1A-M8 -3 Filter King 13.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 29.5 x .75″ – FK13.5×29.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x16x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-15-5-x-1-75-fb12x16x2-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_66fa4635-f23d-4e41-a428-92540eba4472.jpg?v=1768475323 Filter King 12x16x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 15.5 x 1.75″ – FB12X16X2 -12 Filter King 12x16x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 15.5 x 1.75″ – FB12X16X2 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x28x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-27-5-x-75-fb14x28-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_4_f1729335-2310-440f-a2a3-3505469b3959.jpg?v=1768476272 Filter King 14x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 27.5 x .75″ – FB14X28 -12 Filter King 14x28x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 27.5 x .75″ – FB14X28 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x22x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-22-x-75-fb19x22a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_586395cc-2913-4935-af74-b5e3e49cb9ab.jpg?v=1768476362 Filter King 19x22x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 22 x .75″ – FB19X22A -3 Filter King 19x22x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 22 x .75″ – FB19X22A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-13-5-1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-13-5-x-75-fk13-5-13-5x1a-m8-12 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3_9099bc21-fb0b-4337-aa7e-6ed343450a5f.jpg?v=1768476458 Filter King 13.5×13.5×1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13.5 x .75″ – FK13.5×13.5x1A-M8 -12 Filter King 13.5×13.5×1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13.5 x .75″ – FK13.5×13.5x1A-M8 -12 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-21-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-21-5-x-75-fb19-5x21-5a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x29.5x1A-M8-3_3_bbff543b-b946-4d12-81b8-ec59365a4590.jpg?v=1768476970 Filter King 19.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x .75″ – FB19.5X21.5A -3 Filter King 19.5×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x .75″ – FB19.5X21.5A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x19x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-19-x-75-fb17x19a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_0028911e-149f-466d-a9af-00c5934b2deb.jpg?v=1768477064 Filter King 17x19x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 19 x .75″ – FB17X19A -3 Filter King 17x19x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 19 x .75″ – FB17X19A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x20x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-20-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X20A-3.jpg?v=1768477458 Filter King 13x20x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 20 x .75″ Filter King 13x20x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 20 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-75x21x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-75-x-21-x-75-fb19-75x21a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_918afcd6-711b-4c23-90ec-1e1bdd22bf4a.jpg?v=1768477594 Filter King 19.75x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.75 x 21 x .75″ – FB19.75X21A -3 Filter King 19.75x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.75 x 21 x .75″ – FB19.75X21A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-6-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x6.5.webp?v=1768477711 Filter King 19×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6.5 x .75″ Filter King 19×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-29-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-29-5-x-75-fk9-5-29-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_1_39e44090-c3de-4bbe-a4d4-b19cd5532cab.jpg?v=1768477879 Filter King 9.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x .75″ – FK9.5×29.5x1A-M8 -3 Filter King 9.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x .75″ – FK9.5×29.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x15x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-15-x-75-fb15x15a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB15X15A-3.jpg?v=1768477981 Filter King 15x15x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 15 x .75″ – FB15X15A -3 Filter King 15x15x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 15 x .75″ – FB15X15A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-44-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x44.webp?v=1768479109 Filter King 22x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 44 x .75″ Filter King 22x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 44 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-66-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20x66.webp?v=1768479538 Filter King 20.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66.5 x .75″ Filter King 20.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-23-5-1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-23-5-x-75-fk14-5-23-5x1a-m8-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_68063140-9fa1-41fa-9fb2-d3116ee5763f.jpg?v=1768538708 Filter King 14.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 23.5 x .75″ – FK14.5×23.5x1A-M8 -3 Filter King 14.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 23.5 x .75″ – FK14.5×23.5x1A-M8 -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-7-5-x-75-fk19-5-7-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x7.5x1A-M8-4.jpg?v=1768539882 Filter King 19.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 7.5 x .75″ – FK19.5×7.5x1A-M8 -4 Filter King 19.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 7.5 x .75″ – FK19.5×7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x22x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-22-x-75-fb16-5x22a-3 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x24.5x1A-M8-3_0718fa03-cbeb-461e-9875-8d789b073061.jpg?v=1768540149 Filter King 16.5x22x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 22 x .75″ – FB16.5X22A -3 Filter King 16.5x22x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 22 x .75″ – FB16.5X22A -3 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-46-5-x-75-fk24x46-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x46.5x1A-M8-4.jpg?v=1768540636 Filter King 24×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 46.5 x .75″ – FK24x46.5x1A-M8 -4 Filter King 24×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 46.5 x .75″ – FK24x46.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-58-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x58.webp?v=1768541430 Filter King 26.5×58.5×1 Air Filter | 4-PACK | MERV 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19×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12.5 x .75″ – FK19x12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-41-x-75-fk23-5x41x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x41x1A-M8-4.avif?v=1768543336 Filter King 23.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 41 x .75″ – FK23.5x41x1A-M8 -4 Filter King 23.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 41 x .75″ – FK23.5x41x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-14-5-x-75-fk26-5-14-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x14.5x1A-M8-4.jpg?v=1768543482 Filter King 26.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 14.5 x .75″ – FK26.5×14.5x1A-M8 -4 Filter King 26.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 14.5 x .75″ – FK26.5×14.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-28-x-75-fk19x28x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x28x1A-M8-4.jpg?v=1768543664 Filter King 19x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28 x .75″ – FK19x28x1A-M8 -4 Filter King 19x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28 x .75″ – FK19x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-18-x-75-fk17x18x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x18x1A-M8-4.jpg?v=1768543875 Filter King 17x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18 x .75″ – FK17x18x1A-M8 -4 Filter King 17x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18 x .75″ – FK17x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-66-x-75-fk20-5x66x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x66x1A-M8-4.jpg?v=1768544043 Filter King 20.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66 x .75″ – FK20.5x66x1A-M8 -4 Filter King 20.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66 x .75″ – FK20.5x66x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-23-x-75-fk30x23x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x23x1A-M8-4.jpg?v=1768544204 Filter King 30x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 23 x .75″ – FK30x23x1A-M8 -4 Filter King 30x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 23 x .75″ – FK30x23x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-6-5-x-75-fk28x6-5x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x6.5x1A-M8-4.avif?v=1768544368 Filter King 28×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 6.5 x .75″ – FK28x6.5x1A-M8 -4 Filter King 28×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 6.5 x .75″ – FK28x6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-10-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17x10.jpg?v=1768545410 Filter King 17x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 10 x .75″ Filter King 17x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 10 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-50-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25x50_c0873a4f-e725-4995-8ef8-efb490af1a69.webp?v=1768545567 Filter King 25.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 50 x .75″ Filter King 25.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 50 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-21-x-75-fk22x21x1a-m8-4 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x21x1A-M8-4.jpg?v=1768545723 Filter King 22x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 21 x .75″ – FK22x21x1A-M8 -4 Filter King 22x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 21 x .75″ – FK22x21x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-35-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x35.jpg?v=1768546282 Filter King 19x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35 x .75″ Filter King 19x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-9-5-x-75 2026-07-21T15:48:15-04:00 daily 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https://hvacdirect.store/products/filter-king-29-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-59-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x59.jpg?v=1768546969 Filter King 29.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 59 x .75″ Filter King 29.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 59 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-37-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23X37-2.jpg?v=1768547126 Filter King 23x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37 x .75″ Filter King 23x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-60-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x60.avif?v=1768547278 Filter King 28x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 60 x .75″ Filter King 28x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 60 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-23-5-x-75 2026-07-21T15:48:15-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20x23.jpg?v=1768547527 Filter King 20×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 23.5 x 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