https://hvacdirect.store/products/filter-king-21-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-21-5-x-75-fk21x21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/14.1.avif?v=1767267979 Filter King 21×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 21.5 x .75″ – FK21x21.5x1A-M8 -4 Filter King 21×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 21.5 x .75″ – FK21x21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x20x1-air-filter-6-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-19-5-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/86.1_f2a2e243-ec99-46e9-b137-8749476c74a6.jpg?v=1767268036 Filter King 17x20x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75″ Filter King 17x20x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-17-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/15.1_2f9a4be5-9b8a-49ae-8173-21fb3c901e01.jpg?v=1767268459 Filter King 19x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 17 x .75″ Filter King 19x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 17 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x30x2-air-filter-6-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-30-x-1-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/85.1_a323dfff-6317-499b-915c-ad1a1ec0063b.jpg?v=1767268579 Filter King 30x30x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 30 x 1.75″ Filter King 30x30x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 30 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-8-x-75-fk27x8x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_c196bebd-9efc-4255-8e01-5d174c717941.jpg?v=1767268641 Filter King 27x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 8 x .75″ – FK27x8x1A-M8 -4 Filter King 27x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 8 x .75″ – FK27x8x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x26x2-air-filter-6-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-25-5-x-1-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/87.1.webp?v=1767268824 Filter King 12x26x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 25.5 x 1.75″ Filter King 12x26x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 25.5 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-10-5-x-75-fk30-5-10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_30804db7-0856-41a1-927b-46089a48a5ce.jpg?v=1767268944 Filter King 30.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 10.5 x .75″ – FK30.5×10.5x1A-M8 -4 Filter King 30.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 10.5 x .75″ – FK30.5×10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-60-x-75-fk23x60x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/16.1_0165b384-727e-4c9e-9b7c-eee3c4e97f45.jpg?v=1767269007 Filter King 23x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 60 x .75″ – FK23x60x1A-M8 -4 Filter King 23x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 60 x .75″ – FK23x60x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-13-5-x-75-fk22x13-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x13.5x1A-M8-4.avif?v=1767269256 Filter King 22×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13.5 x .75″ – FK22x13.5x1A-M8 -4 Filter King 22×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13.5 x .75″ – FK22x13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-30-5-x-75-fk25x30-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_07cd2b42-610f-4a7e-ad89-bb60c5f8ebc2.png?v=1767274077 Filter King 25×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 30.5 x .75″ – FK25x30.5x1A-M8 -4 Filter King 25×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 30.5 x .75″ – FK25x30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x15x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-14-5-x-1-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/88.1_4c64533e-8f6b-4679-a3fe-9caa12348a18.jpg?v=1767269188 Filter King 10x15x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x 1.75″ Filter King 10x15x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-9-5-x-75-fk25x9-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x9.5x1A-M8-4.webp?v=1767269308 Filter King 25×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9.5 x .75″ – FK25x9.5x1A-M8 – 4 Filter King 25×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9.5 x .75″ – FK25x9.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-11-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17.1_c9812eb3-c855-47bb-aa30-33e3501bb663.jpg?v=1767269371 Filter King 29x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 11 x .75″ Filter King 29x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 11 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x25x2-air-filter-5-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-5-x-1-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/89.1_e9f3f28b-e886-460a-a028-9e8d8bbe03b1.webp?v=1767269432 Filter King 24x25x2 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x 1.75″ Filter King 24x25x2 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x 1.75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-36-5-x-75-fk21x36-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_0b2d559e-6803-4dea-b52b-a83c989f8699.avif?v=1767269726 Filter King 21×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36.5 x .75″ – FK21x36.5x1A-M8 -4 Filter King 21×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36.5 x .75″ – FK21x36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-57-5-1-air-filter-4-pack-merv-8-actual-size-21-x-57-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18.1.webp?v=1767269740 Filter King 21×57.5×1 Air Filter 4-PACK MERV 8 Actual Size 21 x 57.5 x .75″ Filter King 21×57.5×1 Air Filter 4-PACK MERV 8 Actual Size 21 x 57.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-66-5-x-75-fk21x66-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x66.5x1A-M8-4.png?v=1767274735 Filter King 21×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 66.5 x .75″ – FK21x66.5x1A-M8 -4 Filter King 21×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 66.5 x .75″ – FK21x66.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-27-5-x-75-fk30-5-27-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_834775f8-a58d-4c3e-a290-21eaf51c2a18.avif?v=1767270300 Filter King 30.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 27.5 x .75″ – FK30.5×27.5x1A-M8 -4 Filter King 30.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 27.5 x .75″ – FK30.5×27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-16-5-x-75-fk25x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x16.5x1A-M8-4.jpg?v=1767270343 Filter King 25×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 16.5 x .75″ – FK25x16.5x1A-M8 -4 Filter King 25×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 16.5 x .75″ – FK25x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-28-5-x-75-fk29-5-28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19.1.avif?v=1767270642 Filter King 29.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 28.5 x .75″ – FK29.5×28.5x1A-M8 -4 Filter King 29.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 28.5 x .75″ – FK29.5×28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-47-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21.1_8c022191-4faa-4bff-bc01-f6c0e509a795.jpg?v=1767270825 Filter King 20×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 47.5 x .75″ Filter King 20×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 47.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-10-x-75-fk22x10x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F.png?v=1767271064 Filter King 22x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 10 x .75″ – FK22x10x1A-M8 -4 Filter King 22x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 10 x .75″ – FK22x10x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-59-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x59.jpg?v=1767271183 Filter King 22.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 59.5 x .75″ Filter King 22.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 59.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-63-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20.1_32ec810e-6edb-4cff-81de-98fa087142b3.jpg?v=1767271241 Filter King 29.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 63 x .75″ Filter King 29.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 63 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-14-x-75-fk24-5x14x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x14x1A-M8-4.jpg?v=1767271362 Filter King 24.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14 x .75″ – FK24.5x14x1A-M8 -4 Filter King 24.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14 x .75″ – FK24.5x14x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-8-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22.1_e35b6444-cdc8-4c18-a85e-722e60cc1ee1.jpg?v=1767271479 Filter King 28.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 8.5 x .75″ Filter King 28.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 8.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-13-5-x-75-fk23x13-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_c9fa1f9c-0a3c-4af1-837a-6e8c2eba51b7.jpg?v=1767271542 Filter King 25×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 13.5 x .75″ – FK23x13.5x1A-M8 -4 Filter King 25×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 13.5 x .75″ – FK23x13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-13-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x13.5x1A-M8-4.avif?v=1767271837 Filter King 28×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 13.5 x .75″ Filter King 28×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 13.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-61-x-76 2026-07-21T15:46:38-04:00 daily 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4-PACK MERV 8 Actual Size 27 x 11.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-45-5-x-75-fk20-5-45-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x45.5x1A-M8-4_a5831194-25fe-4822-954a-46537b05f8d6.jpg?v=1767272085 Filter King 20.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 45.5 x .75″ – FK20.5×45.5x1A-M8 -4 Filter King 20.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 45.5 x .75″ – FK20.5×45.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-45-x-75-fk18-5x45x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x45x1A-M8-4_bde9c4cc-197a-4c8b-b906-b5b703636772.webp?v=1767272202 Filter King 18.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45 x .75″ – FK18.5x45x1A-M8 -4 Filter King 18.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45 x .75″ – FK18.5x45x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-37-x-75-fk24x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_43c00405-78fa-43c1-9d4a-c8df9e7f4ea5.jpg?v=1767272263 Filter King 24x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 37 x .75″ – FK24x37x1A-M8 -4 Filter King 24x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 37 x .75″ – FK24x37x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-41-x-75-fk17x41x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x41x1A-M8-4_c0e37531-4eac-4524-8d4f-8266d29494cc.jpg?v=1767272446 Filter King 17x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 41 x .75″ – FK17x41x1A-M8 -4 Filter King 17x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 41 x .75″ – FK17x41x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-25-x-75-fk28x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily 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https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26.1_6e36080d-8621-46dc-b875-fd8f677cb7a9.webp?v=1767272746 Filter King 23.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 62.5 x .75″ Filter King 23.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 62.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-62-x-75-fk26x62x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x62x1A-M8-4.jpg?v=1767272868 Filter King 26x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 62 x .75″ – FK26x62x1A-M8 -4 Filter King 26x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 62 x .75″ – FK26x62x1A-M8 -4 WholesaleHVACDirect 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| MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 33 x .75″ – FK18x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-47-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27.1_207eb75f-b4a1-46c7-b77c-6ffc94284435.jpg?v=1767273109 Filter King 21×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 47.5 x .75″ Filter King 21×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 47.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-48-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2748-1.jpg?v=1767273649 Filter King 27×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 48.5 x .75″ Filter King 27×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 48.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-14-5-1-air-filter-4-pack-merv-8-actual-size-29-x-14-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2914-1.webp?v=1767273832 Filter King 29×14.5×1 Air Filter 4-PACK MERV 8 Actual Size 29 x 14.5 x .75″ Filter King 29×14.5×1 Air Filter 4-PACK MERV 8 Actual Size 29 x 14.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-62-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25x62.jpg?v=1767273954 Filter King 25.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 62.5 x .75″ Filter King 25.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 62.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-34-x-75-fk25-5x34x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_c4cef35e-5708-4316-b836-ec7ede3b385f.png?v=1767274137 Filter King 25.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 34 x .75″ – FK25.5x34x1A-M8 – 4 Filter King 25.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 34 x .75″ – FK25.5x34x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x52x1-air-filter-4-pack-merv-8-actual-size-19-x-52-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1952-1.webp?v=1767274254 Filter King 19x52x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 52 x .75″ Filter King 19x52x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 52 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-23-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/30x23.jpg?v=1767274372 Filter King 30.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 23 x .75″ Filter King 30.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 23 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-40-5-x-75 2026-07-21T15:46:38-04:00 daily 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18.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 64 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-56-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x56.jpg?v=1767275039 Filter King 27×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 56.5 x .75″ Filter King 27×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 56.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-51-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2251-1.png?v=1767277995 Filter King 22.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 51 x .75″ Filter King 22.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 51 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-14-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_322d04fb-6f56-4f64-9afd-a7f2c4a36b11.webp?v=1767275156 Filter King 19×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 14.5 x .75″ Filter King 19×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 14.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-38-5-x-75-fk10x38-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x38.5x1A-M8-4.jpg?v=1767275280 Filter King 10×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 38.5 x .75″ – FK10x38.5x1A-M8-4 Filter King 10×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 38.5 x .75″ – FK10x38.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-5-x-75-fk8-5x5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x5x1A-M8-4.jpg?v=1767275405 Filter King 8.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 5 x .75″ – FK8.5x5x1A-M8-4 Filter King 8.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 5 x .75″ – FK8.5x5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-39-5-x-75-fk13x39-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x39.5x1A-M8-4.jpg?v=1767275516 Filter King 13×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 39.5 x .75″ – FK13x39.5x1A-M8-4 Filter King 13×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 39.5 x .75″ – FK13x39.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-56-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x56_33c00a58-390e-4271-a5c0-6e39d749c71e.jpg?v=1767278296 Filter King 26.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 56 x .75″ Filter King 26.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 56 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-56-5-x-75-fk7x56-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x56.5x1A-M8-4.jpg?v=1767275698 Filter King 7×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 56.5 x .75″ – FK7x56.5x1A-M8-4 Filter King 7×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 56.5 x .75″ – FK7x56.5x1A-M8-4 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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x4.5x1A-M8-4.jpg?v=1767275941 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-M8-4 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-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-59-5-1-air-filter-4-pack-merv-8-actual-size-24-5-x-59-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2459-1.webp?v=1767276123 Filter King 24.5×59.5×1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 59.5 x .75″ Filter King 24.5×59.5×1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 59.5 x .75″ 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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x26x1A-M8-4.jpg?v=1767277088 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-M8-4 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-M8-4 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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x46.5x1A-M8-4.jpg?v=1767277208 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-M8-4 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-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-63-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20X63.avif?v=1767327792 Filter King 20.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63 x .75″ Filter King 20.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-49-x-75-fk25x49x1a-m8-4 2026-07-21T15:46:38-04:00 daily 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https://hvacdirect.store/products/filter-king-21-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-60-x-75-fk21-5x60x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x60.jpg?v=1767328442 Filter King 21.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 60 x .75″ – FK21.5x60x1A-M8 -4 Filter King 21.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 60 x .75″ – FK21.5x60x1A-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x31x1A-M8-4-2.jpg?v=1767328561 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-M8-4 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-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-57-5-x-75-fk29x57-5x1a-m8-1 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2.1_c5b6cb2a-0a0e-46cf-a8de-5fb733410ae0.avif?v=1767329479 Filter King 29×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 57.5 x .75″ – FK29x57.5x1A-M8 -1 Filter King 29×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 57.5 x .75″ – FK29x57.5x1A-M8 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-43-5-x-75-fk4-5-43-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x43.5x1A-M8-4.jpg?v=1767329350 Filter King 4.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 43.5 x .75″ – FK4.5×43.5x1A-M8-4 Filter King 4.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 43.5 x .75″ – FK4.5×43.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-48-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1.1_11e83680-7aa5-4e35-ac84-719d7174296c.webp?v=1767329528 Filter King 24.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 48.5 x .75″ Filter King 24.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 48.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-54-x-75-fk15-5x54x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x54x1A-M8-4.jpg?v=1767329590 Filter King 15.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 54 x .75″ – FK15.5x54x1A-M8-4 Filter King 15.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 54 x .75″ – FK15.5x54x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-11-5-x-75-fk16x11-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x11.5x1A-M8-4.avif?v=1767329963 Filter King 16×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 11.5 x .75″ – FK16x11.5x1A-M8-4 Filter King 16×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 11.5 x .75″ – FK16x11.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-43-x-75-fk12-5x43x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x43x1A-M8-4.jpg?v=1767329951 Filter King 12.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 43 x .75″ – FK12.5x43x1A-M8-4 Filter King 12.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 43 x .75″ – FK12.5x43x1A-M8-4 WholesaleHVACDirect 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Furnace Filters | MADE IN USA | Actual Size: 25.5 x 27 x .75″ – FK25.5x27x1A-M8 -1 Filter King 25.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 27 x .75″ – FK25.5x27x1A-M8 -1 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-22-5-x-75-fk5-5-22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x22.5x1A-M8-4.jpg?v=1767330680 Filter King 5.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 22.5 x .75″ – FK5.5×22.5x1A-M8-4 Filter King 5.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 22.5 x .75″ – FK5.5×22.5x1A-M8-4 WholesaleHVACDirect 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.75″ Filter King 19.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 63 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-46-x-75-fk7x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x46x1A-M8-4.jpg?v=1767331041 Filter King 7x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 46 x .75″ – FK7x46x1A-M8-4 Filter King 7x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 46 x .75″ – FK7x46x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-29-x-75-fk19x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-15-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-27-x-75-fk15-5x27x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x27x1A-M8-4.jpg?v=1767331283 Filter King 15.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 27 x .75″ – FK15.5x27x1A-M8-4 Filter King 15.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 27 x .75″ – FK15.5x27x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-29-x-75-fk19x29x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/5.1_44390212-2ae1-439c-b27c-06ab6c3740f3.jpg?v=1767331341 Filter King 19x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 29 x .75″ – FK19x29x1A-M8 -4 Filter King 19x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 29 x .75″ – FK19x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-45-x-75-fk21x45x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/5.1_f7f1c4fc-193b-4524-ac27-41c958e95597.jpg?v=1767331522 Filter King 21x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 45 x .75″ – FK21x45x1A-M8 -4 Filter King 21x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 45 x .75″ – FK21x45x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-39-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_e482de60-77c0-4ed9-98b0-a66cfc23a06e.webp?v=1767331583 Filter King 24×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39.5 x .75″ Filter King 24×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-36-5-x-75-fk15-5-36-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x36.5x1A-M8-4.jpg?v=1767331700 Filter King 15.5×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 36.5 x .75″ – FK15.5×36.5x1A-M8-4 Filter King 15.5×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 36.5 x .75″ – FK15.5×36.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-41-5-x-75-fk20-5-41-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/7.1_aaf0cc7b-ec2b-4f19-a5bc-4f457673127a.jpg?v=1767331819 Filter King 20.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 41.5 x .75″ – FK20.5×41.5x1A-M8 -4 Filter King 20.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 41.5 x .75″ – FK20.5×41.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-54-x-75-fk25x54x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x54x1A-M8-4_1.jpg?v=1767331879 Filter King 25x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 54 x .75″ – FK25x54x1A-M8-4 Filter King 25x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 54 x .75″ – FK25x54x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-52-5-x-75-fk7x52-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x52.5x1A-M8-4.jpg?v=1767332004 Filter King 7×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 52.5 x .75″ – FK7x52.5x1A-M8-4 Filter King 7×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 52.5 x .75″ – FK7x52.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-56-5-x-75-fk17x56-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1756.avif?v=1767332356 Filter King 17×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56.5 x .75″ – FK17x56.5x1A-M8 -4 Filter King 17×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56.5 x .75″ – FK17x56.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-62-5-x-75-fk26x62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/8.1_782b75bd-b96a-44ad-9d44-ef0cdf8f8e1c.jpg?v=1767332300 Filter King 26×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 62.5 x .75″ – FK26x62.5x1A-M8 -4 Filter King 26×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 62.5 x .75″ – FK26x62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-10-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_90991bad-07a0-4df8-a639-f38dbb21a80d.jpg?v=1767332324 Filter King 29×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 10.5 x .75″ Filter King 29×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 10.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-62-x-75-fk12x62x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x62x1A-M8-4.jpg?v=1767332423 Filter King 12x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 62 x .75″ – FK12x62x1A-M8-4 Filter King 12x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 62 x .75″ – FK12x62x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-21-x-75-fk30x21x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/9.1_d1de0baf-f91a-42c2-8d21-f53e93427658.jpg?v=1767332598 Filter King 30x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 21 x .75″ – FK30x21x1A-M8 -4 Filter King 30x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 21 x .75″ – FK30x21x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-60-5-x-75-fk10x60-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x60.5x1A-M8-4.jpg?v=1767332611 Filter King 10×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 60.5 x .75″ – FK10x60.5x1A-M8-4 Filter King 10×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 60.5 x .75″ – FK10x60.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-5-5-x-75-fk28-5-5-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x5.5x1A-M8-4.jpg?v=1767332662 Filter King 28.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 5.5 x .75″ – FK28.5×5.5x1A-M8 -4 Filter King 28.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 5.5 x .75″ – FK28.5×5.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-64-5-x-75-fk20-5-64-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/10.1_12077d3a-fb69-4f08-a154-e0482cb8edf3.jpg?v=1767332842 Filter King 20.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 64.5 x .75″ – FK20.5×64.5x1A-M8-4 Filter King 20.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 64.5 x .75″ – FK20.5×64.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-33-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_49d1d59c-2321-4420-9a2e-05394b358f8d.jpg?v=1767333022 Filter King 26.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 33.5 x .75″ Filter King 26.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 33.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-44-x-75-fk20x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20x44x1-1.jpg?v=1767333036 Filter King 20x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44 x .75″ – FK20x44x1A-M8 -4 Filter King 20x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44 x .75″ – FK20x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-57-5-x-75-fk14x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x57.5x1A-M8-4.jpg?v=1767333082 Filter King 14×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 57.5 x .75″ – FK14x57.5x1A-M8-4 Filter King 14×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 57.5 x .75″ – FK14x57.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-32-5-x-75-fk4x32-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x32.5x1A-M8-4.jpg?v=1767333329 Filter King 4×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 32.5 x .75″ – FK4x32.5x1A-M8 -4 Filter King 4×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 32.5 x .75″ – FK4x32.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-46-5-x-75-fk12x46-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x46.5x1A-M8-4.jpg?v=1767333387 Filter King 12×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 46.5 x .75″ – FK12x46.5x1A-M8-4 Filter King 12×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 46.5 x .75″ – FK12x46.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-33-5-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_47e210dd-d134-479b-aa4a-2184b8d6c0b8.jpg?v=1767333511 Filter King 26.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 33.5 x .75″ Filter King 26.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 33.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-15-5-x-75-fk21-5-15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x15.5x1A-M8-4.jpg?v=1767333568 Filter King 21.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 15.5 x .75″ – FK21.5×15.5x1A-M8-4 Filter King 21.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 15.5 x .75″ – FK21.5×15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-59-5-x-75-fk7x59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x59.5x1A-M8-4.jpg?v=1767334956 Filter King 7×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 59.5 x .75″ – FK7x59.5x1A-M8-4 Filter King 7×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 59.5 x .75″ – FK7x59.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-20-5-x-75-fb18x21-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x21x1.jpg?v=1767333693 Filter King 18x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75″ – FB18X21 -4 Filter King 18x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75″ – FB18X21 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-38-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_6ece0c9c-bd7f-43a4-947c-265307854781.jpg?v=1767333867 Filter King 23.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 38.5 x .75″ Filter King 23.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 38.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-37-5-x-75-fk20-5-37-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x37.5x1A-M8-4.png?v=1767333881 Filter King 20.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37.5 x .75″ – FK20.5×37.5x1A-M8 -4 Filter King 20.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37.5 x .75″ – FK20.5×37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-54-5-x-75-fk6-5-54-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x54.5x1A-M8-4.jpg?v=1767333990 Filter King 6.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 54.5 x .75″ – FK6.5×54.5x1A-M8-4 Filter King 6.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 54.5 x .75″ – FK6.5×54.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-25-5-x-75-fk9-5-25-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x25.5x1A-M8-4.jpg?v=1767335562 Filter King 9.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 25.5 x .75″ – FK9.5×25.5x1A-M8-4 Filter King 9.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 25.5 x .75″ – FK9.5×25.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-52-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_6e32062b-0c85-40a6-8072-c6dec2e01804.jpg?v=1767335742 Filter King 18x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 52 x .75″ Filter King 18x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 52 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-37-x-75-fk18x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x37x1A-M8-4.jpg?v=1767335803 Filter King 18x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37 x .75″ – FK18x37x1A-M8 -4 Filter King 18x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37 x .75″ – FK18x37x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-32-x-75-fk18x32x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/11.1_b1a8aaac-4fa8-44e9-a389-295d58ab63c8.jpg?v=1767335926 Filter King 18x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 32 x .75″ – FK18x32x1A-M8 -4 Filter King 18x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 32 x .75″ – FK18x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-x-75-fk23-5x23x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2323.jpg?v=1767335979 Filter King 23.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23 x .75″ – FK23.5x23x1A-M8 -4 Filter King 23.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23 x .75″ – FK23.5x23x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-48-5-x-75-fk15-5-48-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x48.5x1A-M8-4.jpg?v=1767336045 Filter King 15.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 48.5 x .75″ – FK15.5×48.5x1A-M8-4 Filter King 15.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 48.5 x .75″ – FK15.5×48.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-49-5-x-75-fk23x49-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/12.1_f1110e43-35cc-4dbd-ab3a-c5f907ae248a.jpg?v=1767336102 Filter King 23×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 49.5 x .75″ – FK23x49.5x1A-M8 -4 Filter King 23×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 49.5 x .75″ – FK23x49.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-54-5-x-75-fk9x54-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x54.5x1A-M8-4.jpg?v=1767336168 Filter King 9×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 54.5 x .75″ – FK9x54.5x1A-M8-4 Filter King 9×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 54.5 x .75″ – FK9x54.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-42-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_bd9b6d6e-6216-4bc9-ae18-69e0c0e7812a.jpg?v=1767336224 Filter King 28.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 42.5 x .75″ Filter King 28.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 42.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-22-x-75-fk29-5x22x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/13.1_9eb97b3c-9f8b-4935-892d-c83383210bf5.jpg?v=1767336289 Filter King 29.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 22 x .75″ – FK29.5x22x1A-M8 -4 Filter King 29.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 22 x .75″ – FK29.5x22x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-48-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x48.jpg?v=1767336343 Filter King 18×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 48.5 x .75″ Filter King 18×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 48.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-62-5-x-75-fk24x62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x62.5x1A-M8-4.jpg?v=1767336409 Filter King 24×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 62.5 x .75″ – FK24x62.5x1A-M8 -4 Filter King 24×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 62.5 x .75″ – FK24x62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-28-5-x-75-fk6-5-28-5x1a-m8-44 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x28.5x1A-M8-44.jpg?v=1767336466 Filter King 6.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 28.5 x .75″ – FK6.5×28.5x1A-M8-44 Filter King 6.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 28.5 x .75″ – FK6.5×28.5x1A-M8-44 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-11-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x11_1ddec4ca-eb39-4d96-adca-4904d97e3b39.jpg?v=1767336587 Filter King 27x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 11 x .75″ Filter King 27x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 11 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-61-5-x-75-fk5-5-61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x61.5x1A-M8-4.jpg?v=1767336649 Filter King 5.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 61.5 x .75″ – FK5.5×61.5x1A-M8-4 Filter King 5.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 61.5 x .75″ – FK5.5×61.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-47-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x47x1.webp?v=1767336705 Filter King 28×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 47.5 x .75″ Filter King 28×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 47.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-53-5-x-75 2026-07-21T15:46:38-04:00 daily 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https://hvacdirect.store/products/filter-king-22x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-47-x-75-fk22x47x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/14.1_11c70103-b73e-4c1b-8641-b02c5727344c.jpg?v=1767336887 Filter King 22x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 47 x .75″ – FK22x47x1A-M8-4 Filter King 22x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 47 x .75″ – FK22x47x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-14-5-x-75-fk6x14-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x14.5x1A-M8-4.jpg?v=1767336946 Filter King 6×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN 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https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_d95632b8-485b-4ef0-8da4-7c2f59b1aaf8.jpg?v=1767337130 Filter King 27×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 14.5 x .75″ Filter King 27×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 14.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-21-5-x-75-fk27x21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/16.1_e9709f12-5237-4796-8605-65888d42e410.jpg?v=1767337253 Filter King 27×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 21.5 x .75″ – FK27x21.5x1A-M8 -4 Filter King 27×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 21.5 x .75″ – FK27x21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-36-x-75-fk10-5x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x36x1A-M8-4.jpg?v=1767340865 Filter King 10.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 36 x .75″ – FK10.5x36x1A-M8-4 Filter King 10.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 36 x .75″ – FK10.5x36x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-36-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x36.jpg?v=1767337372 Filter King 26×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 36.5 x .75″ Filter King 26×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 36.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-5-x-75-fk20x5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17.1_af2c043b-2f10-41a3-b4f7-61883a7caea6.jpg?v=1767337428 Filter King 20x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5 x .75″ – FK20x5x1A-M8 -4 Filter King 20x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5 x .75″ – FK20x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-36-x-75-fk8-5x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x36x1A-M8-4.jpg?v=1767337611 Filter King 8.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 36 x .75″ – FK8.5x36x1A-M8-4 Filter King 8.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 36 x .75″ – FK8.5x36x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-11-x-75-fk30-5x11x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18.1_473d85a2-57e7-44b4-a982-121f22bcca7d.avif?v=1767337904 Filter King 30.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 11 x .75″ – FK30.5x11x1A-M8 -4 Filter King 30.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 11 x .75″ – FK30.5x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-35-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_0cd89a85-4f91-4938-8734-14574a1da19a.jpg?v=1767337854 Filter King 21x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 35 x .75″ Filter King 21x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 35 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-64-5-x-75-fk26-5-64-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19.1_80cdd465-e5b2-4aeb-a611-90b42d943b4a.jpg?v=1767338033 Filter King 26.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 64.5 x .75″ – FK26.5×64.5x1A-M8 -4 Filter King 26.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 64.5 x .75″ – FK26.5×64.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-53-x-75-fk11-5x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x53x1A-M8-4.jpg?v=1767338095 Filter King 11.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 53 x .75″ – FK11.5x53x1A-M8-4 Filter King 11.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 53 x .75″ – FK11.5x53x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-57-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x57.webp?v=1767338152 Filter King 21x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 57 x .75″ Filter King 21x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 57 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-47-x-75-fk25x47x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20.1.avif?v=1767338531 Filter King 25x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47 x .75″ – FK25x47x1A-M8 -4 Filter King 25x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47 x .75″ – FK25x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-55-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_08c78537-1db8-46e7-8f88-a104d78de52c.jpg?v=1767338459 Filter King 23.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 55 x .75″ Filter King 23.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 55 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-44-x-75-fk14-5x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x44x1A-M8-4.jpg?v=1767338513 Filter King 14.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 44 x .75″ – FK14.5x44x1A-M8-4 Filter King 14.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 44 x .75″ – FK14.5x44x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-60-x-75-fk19x60x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21.1_3851c9b6-3239-401c-bb3e-63e50e2e2e04.jpg?v=1767338635 Filter King 19x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 60 x .75″ – FK19x60x1A-M8 -4 Filter King 19x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 60 x .75″ – FK19x60x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-42-x-75-fk12-5x42x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x42x1A-M8-4.jpg?v=1767338755 Filter King 12.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 42 x .75″ – FK12.5x42x1A-M8-4 Filter King 12.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 42 x .75″ – FK12.5x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-48-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_57d48a76-c130-4047-ade2-3cbea3d33ae4.webp?v=1767338820 Filter King 17×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48.5 x .75″ Filter King 17×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-5-5-x-75-fk23-5-5-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22.1_9a98ec2f-98bf-4178-a5ac-91467c9943aa.jpg?v=1767338938 Filter King 23.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 5.5 x .75″ – FK23.5×5.5x1A-M8 -4 Filter King 23.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 5.5 x .75″ – FK23.5×5.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-13-x-75-fk13-5x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x13x1A-M8-4.jpg?v=1767339060 Filter King 13.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13 x .75″ – FK13.5x13x1A-M8-4 Filter King 13.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13 x .75″ – FK13.5x13x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-18-5-x-75-fk24x18-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23.1_1a0a7904-bf0c-46a1-9e51-158ac219ca27.avif?v=1767339382 Filter King 24×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 18.5 x .75″ – FK24x18.5x1A-M8 -4 Filter King 24×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 18.5 x .75″ – FK24x18.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-7-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19X7.webp?v=1767339303 Filter King 19×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 7.5 x .75″ Filter King 19×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 7.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-53-x-75-fk15-5-53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x53.5x1A-M8-4.jpg?v=1767339421 Filter King 15.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 53 x .75″ – FK15.5×53.5x1A-M8-4 Filter King 15.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 53 x .75″ – FK15.5×53.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-13-x-75-fk28x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/24.1_8e0b5643-67bc-4c2c-a9f3-0a1a62198618.jpg?v=1767339477 Filter King 28x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 13 x .75″ – FK28x13x1A-M8 -4 Filter King 28x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 13 x .75″ – FK28x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-9-x-75-fk21x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x9x1A-M8-4.avif?v=1767339777 Filter King 21x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9 x .75″ – FK21x9x1A-M8 -4 Filter King 21x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9 x .75″ – FK21x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-26-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_486ec385-9f77-45ad-8854-c3b77740bb3a.webp?v=1767339667 Filter King 27×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 26.5 x .75″ Filter King 27×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 26.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-29-x-75-fk27-5x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25.1_028f8113-c286-4130-b01c-2c39be6435dd.jpg?v=1767339785 Filter King 27.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 29 x .75″ – FK27.5x29x1A-M8 -4 Filter King 27.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 29 x .75″ – FK27.5x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-41-x-75-fk4x41x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x41x1A-M8-4.jpg?v=1767339908 Filter King 4x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 41 x .75″ – FK4x41x1A-M8-4 Filter King 4x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 41 x .75″ – FK4x41x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-19-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P.avif?v=1767340269 Filter King 19.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19 x .75″ Filter King 19.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-15-5-x-75-fk26-5-15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28.1_af0a47cc-e026-41e3-b21a-539e73d4929e.jpg?v=1767340985 Filter King 26.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 15.5 x .75″ – FK26.5×15.5x1A-M8 – 4 Filter King 26.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 15.5 x .75″ – FK26.5×15.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-12-5-x-75-fk27x12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x12.5x1A-M8-4.avif?v=1767341232 Filter King 27×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 12.5 x .75″ – FK27x12.5x1A-M8 -4 Filter King 27×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 12.5 x .75″ – FK27x12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-20-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_fc84b3b5-0b84-434c-a722-75a1cede599b.jpg?v=1767341107 Filter King 30x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 20 x .75″ Filter King 30x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 20 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-18-x-75-fk16-5x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x18x1A-M8-4.jpg?v=1767341227 Filter King 16.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 18 x .75″ – FK16.5x18x1A-M8-4 Filter King 16.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 18 x .75″ – FK16.5x18x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-33-5-x-75-fk30x33-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29.1_937072eb-01ec-4fcd-9680-f2b21b44c37d.jpg?v=1767341287 Filter King 30×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 33.5 x .75″ – FK30x33.5x1A-M8 – 4 Filter King 30×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 33.5 x .75″ – FK30x33.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-62-5-x-75-fk20-5-62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-19-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-59-5-x-75-fk19x59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-20x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-8-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_341fec78-4d4a-4607-a96e-75e4d30aefe3.webp?v=1767341467 Filter King 20x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8 x .75″ Filter King 20x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-59-5-x-75-fk19x59-5x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/30.1_45a7271f-91b9-47a1-b649-5fb4246f163b.avif?v=1767341767 Filter King 19×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59.5 x .75″ – FK19x59.5x1A-M8 – 4 Filter King 19×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59.5 x .75″ – FK19x59.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-33-x-75-fk11x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x33x1A-M8-4.jpg?v=1767341650 Filter King 11x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 33 x .75″ – FK11x33x1A-M8-4 Filter King 11x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 33 x .75″ – FK11x33x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-33-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/V_21c732e5-7123-4fe2-94cf-57d653cf7ad7.jpg?v=1767341772 Filter King 20×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33.5 x .75″ Filter King 20×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-14-5-x-75-fk24-5-14-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/31.1_bc11f223-aaf6-4057-80c6-0ea66649db85.jpg?v=1767341831 Filter King 24.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14.5 x .75″ – FK24.5×14.5x1A-M8 – 4 Filter King 24.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14.5 x .75″ – FK24.5×14.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-16-x-75-fk5-5x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x16x1A-M8-4.jpg?v=1767341950 Filter King 5.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 16 x .75″ – FK5.5x16x1A-M8-4 Filter King 5.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 16 x .75″ – FK5.5x16x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-5-5-x-75-fk19-5-5-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x5.5x1A-M8-4.jpg?v=1767342009 Filter King 19.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 5.5 x .75″ – FK19.5×5.5x1A-M8 -4 Filter King 19.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 5.5 x .75″ – FK19.5×5.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-45-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/W_17d0a0f5-32dd-4216-809d-abd4a7a94b97.jpg?v=1767346235 Filter King 29.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 45 x .75″ Filter King 29.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 45 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-56-x-75-fk16-5x56x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x56x1A-M8-4.avif?v=1767342376 Filter King 16.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 56 x .75″ – FK16.5x56x1A-M8-4 Filter King 16.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 56 x .75″ – FK16.5x56x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-36-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/X_20080971-bd56-45ed-9e2b-ddf918c3aa86.jpg?v=1767342313 Filter King 20×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 36.5 x .75″ Filter King 20×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 36.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-36-5-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Y_dc56c64e-3175-44b7-9e1a-0886484faad0.jpg?v=1767342433 Filter King 20×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 36.5 x .75″ Filter King 20×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 36.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-20-x-75-fk5-5x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x20x1A-M8-4.jpg?v=1767342496 Filter King 5.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 20 x .75″ – FK5.5x20x1A-M8-4 Filter King 5.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 20 x .75″ – FK5.5x20x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-39-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Z.png?v=1767342675 Filter King 25.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 39.5 x .75″ Filter King 25.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 39.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-28-5-x-75-fk24-5-28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/32.1_81e234fc-15a9-460a-9fba-2fc26d0574f9.jpg?v=1767342799 Filter King 24.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x .75″ – FK24.5×28.5x1A-M8 – 4 Filter King 24.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x .75″ – FK24.5×28.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-51-x-75-fk20-5x51x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x51x1A-M8-4.jpg?v=1767342859 Filter King 20.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51 x .75″ – FK20.5x51x1A-M8 -4 Filter King 20.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51 x .75″ – FK20.5x51x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-65-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-65-5-x-75-fk13x65-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x65.5x1A-M8-4.jpg?v=1767342977 Filter King 13×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 65.5 x .75″ – FK13x65.5x1A-M8-4 Filter King 13×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 65.5 x .75″ – FK13x65.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-18-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_7d2c9868-bd58-4cbc-8900-20e73bcb6615.jpg?v=1767343037 Filter King 20x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18 x .75″ Filter King 20x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-4-x-75-fk23x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/33.1_20e4a707-79aa-4f22-ae7e-c73e81bb1223.jpg?v=1767343098 Filter King 23x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 4 x .75″ – FK23x4x1A-M8 – 4 Filter King 23x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 4 x .75″ – FK23x4x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-29-x-75-fk4-5x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x29x1A-M8-4.jpg?v=1767343278 Filter King 4.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 29 x .75″ – FK4.5x29x1A-M8-4 Filter King 4.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 29 x .75″ – FK4.5x29x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-62-5-x-75-fk20-5-62-5x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2062_9cb7a43f-5c25-483e-9b48-ed1f201e7004.avif?v=1767343638 Filter King 20.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 62.5 x .75″ – FK20.5×62.5x1A-M8 -4 Filter King 20.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 62.5 x .75″ – FK20.5×62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-21-5-x-75-fk19-5-21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x21.5x1A-M8-4.jpg?v=1767343581 Filter King 19.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x .75″ – FK19.5×21.5x1A-M8 -4 Filter King 19.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x .75″ – FK19.5×21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-50-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x50.webp?v=1767343702 Filter King 29.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 50.5 x .75″ Filter King 29.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 50.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-52-x-75-fk16-5x52x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x52x1A-M8-4.avif?v=1767343953 Filter King 16.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 52 x .75″ – FK16.5x52x1A-M8-4 Filter King 16.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 52 x .75″ – FK16.5x52x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-51-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_3a991563-5126-4592-94f0-b7aa5725dd94.jpg?v=1767343884 Filter King 18.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 51.5 x .75″ Filter King 18.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 51.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-12-x-75-fk13-5x12x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x12x1A-M8-4.jpg?v=1767344001 Filter King 13.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 12 x .75″ – FK13.5x12x1A-M8 -4 Filter King 13.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 12 x .75″ – FK13.5x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-49-5-x-75-fk10x49-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x49.5x1A-M8-4.jpg?v=1767344182 Filter King 10×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 49.5 x .75″ – FK10x49.5x1A-M8 -4 Filter King 10×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 49.5 x .75″ – FK10x49.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-4-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_753bffb0-d7fd-4799-89cc-155785180955.webp?v=1767344303 Filter King 24x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 4 x .75″ Filter King 24x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 4 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-57-x-75-fk23-5x57x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/34.1_9c0ff007-fe34-4117-8de9-479fd545bf85.jpg?v=1767344365 Filter King 23.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 57 x .75″ – FK23.5x57x1A-M8 – 4 Filter King 23.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 57 x .75″ – FK23.5x57x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-21-x-75-fk28-5x21x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x21x1A-M8-4.jpg?v=1767344429 Filter King 28.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 21 x .75″ – FK28.5x21x1A-M8 -4 Filter King 28.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 21 x .75″ – FK28.5x21x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-44-x-75-fk10x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x44x1A-M8-4.jpg?v=1767344487 Filter King 10x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 44 x .75″ – FK10x44x1A-M8 -4 Filter King 10x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 44 x .75″ – FK10x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-4-5-x-75-fk25-5-4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/35.1.png?v=1767344607 Filter King 25.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 4.5 x .75″ – FK25.5×4.5x1A-M8 – 4 Filter King 25.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 4.5 x .75″ – FK25.5×4.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-22-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_002eadcb-da71-4708-874f-4ff1885123a4.jpg?v=1767344668 Filter King 23.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 22.5 x .75″ Filter King 23.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 22.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-35-x-75-fk7x35x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x35x1A-M8-4.avif?v=1767344920 Filter King 7x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 35 x .75″ – FK7x35x1A-M8 -4 Filter King 7x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 35 x .75″ – FK7x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-20-x-75-fk25x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/37.1_02b0bf08-559a-4d09-ba10-c0aa0e2c7b88.jpg?v=1767344788 Filter King 25x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 20 x .75″ – FK25x20x1A-M8 – 4 Filter King 25x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 20 x .75″ – FK25x20x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-52-x-75-fk28x52x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x52x1A-M8-4.avif?v=1767345044 Filter King 28x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 52 x .75″ – FK28x52x1A-M8 -4 Filter King 28x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 52 x .75″ – FK28x52x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-15-x-75-fk20x15x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/38.1_69898ebb-8d83-47e1-a9f0-27897bc41a1f.jpg?v=1767344907 Filter King 20x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15 x .75″ – FK20x15x1A-M8 – 4 Filter King 20x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15 x .75″ – FK20x15x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-11-x-75-fk12x11x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x11x1A-M8-4.avif?v=1767345150 Filter King 12x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 11 x .75″ – FK12x11x1A-M8 -4 Filter King 12x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 11 x .75″ – FK12x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-39-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_b876f84a-a0e3-4442-ad04-60e661600ff0.jpg?v=1767345028 Filter King 21.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 39.5 x .75″ Filter King 21.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 39.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-63-5-x-75-fk23-5-63-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x63.5x1A-M8-4.jpg?v=1767345150 Filter King 23.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 63.5 x .75″ – FK23.5×63.5x1A-M8-4 Filter King 23.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 63.5 x .75″ – FK23.5×63.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-20-5-x-75-fk14x20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x20.5x1A-M8-4.jpg?v=1767345332 Filter King 14×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 20.5 x .75″ – FK14x20.5x1A-M8 -4 Filter King 14×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 20.5 x .75″ – FK14x20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-47-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_217b96f8-4f6c-4acd-8e8f-afdad29fe95d.webp?v=1767345450 Filter King 25×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47.5 x .75″ Filter King 25×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-24-5-x-75-lfk6-5-24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x24.5x1A-M8-4.jpg?v=1767345811 Filter King 6.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 24.5 x .75″ – lFK6.5×24.5x1A-M8 -4 Filter King 6.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 24.5 x .75″ – lFK6.5×24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-20-5-x-75-fk21-5-20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/39.1_81b70322-2ff0-4daf-a15d-46335560d9b7.jpg?v=1767345873 Filter King 21.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20.5 x .75″ – FK21.5×20.5x1A-M8 – 4 Filter King 21.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20.5 x .75″ – FK21.5×20.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-27-5-x-75-fk17-5-27-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/40.1_d97da5a7-c5b8-4ea1-a107-a25073479322.avif?v=1767346259 Filter King 17.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 27.5 x .75″ – FK17.5×27.5x1A-M8 – 4 Filter King 17.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 27.5 x .75″ – FK17.5×27.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-13-x-75-fk9x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x13x1A-M8-4.jpg?v=1767346296 Filter King 9x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 13 x .75″ – FK9x13x1A-M8 -4 Filter King 9x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 13 x .75″ – FK9x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-14-x-75-fk18-5x14x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/41.1_a07955a6-c3bf-4c91-b57b-886d4458248f.avif?v=1767346550 Filter King 18.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 14 x .75″ – FK18.5x14x1A-M8 – 4 Filter King 18.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 14 x .75″ – FK18.5x14x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-29-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-29-5-x-75-fk20-5-29-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/42.1.avif?v=1767346661 Filter King 20.5×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29.5 x .75″ – FK20.5×29.5x1A-M8 – 4 Filter King 20.5×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29.5 x .75″ – FK20.5×29.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-38-x-75-fk15-5x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x38x1A-M8-4.jpg?v=1767346716 Filter King 15.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 38 x .75″ – FK15.5x38x1A-M8 -4 Filter King 15.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 38 x .75″ – FK15.5x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-8-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_74f3a76d-47ec-4c54-8fbf-dc0ea59679fe.webp?v=1767346780 Filter King 21×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 8.5 x .75″ Filter King 21×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 8.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-57-5-x-75-fk17x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x57.5x1A-M8-4.jpg?v=1767346840 Filter King 17×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 57.5 x .75″ – FK17x57.5x1A-M8 -4 Filter King 17×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 57.5 x .75″ – FK17x57.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-53-5-x-75-fk12x53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x53.5x1A-M8-4_1.jpg?v=1767347202 Filter King 12×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 53.5 x .75″ – FK12x53.5x1A-M8-4 Filter King 12×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 53.5 x .75″ – FK12x53.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_05a59d66-cfb2-4c23-b4bf-7eb25af8b430.webp?v=1767347324 Filter King 20.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 5 x .75″ Filter King 20.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-16-5-x-75-fk29x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x16.5x1A-M8-4.avif?v=1767347628 Filter King 29×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 16.5 x .75″ – FK29x16.5x1A-M8 -4 Filter King 29×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 16.5 x .75″ – FK29x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-44-5-x-75-fk4-5-44-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x44.5x1A-M8-4.jpg?v=1767347504 Filter King 4.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 44.5 x .75″ – FK4.5×44.5x1A-M8 -4 Filter King 4.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 44.5 x .75″ – FK4.5×44.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-25-x-75-fb10x25-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X25-4.jpg?v=1767347685 Filter King 10x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 25 x .75″ – FB10X25 -4 Filter King 10x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 25 x .75″ – FB10X25 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-36-x-75-fk18x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x36x1A-M8-4.jpg?v=1767347803 Filter King 18x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 36 x .75″ – FK18x36x1A-M8 – 4 Filter King 18x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 36 x .75″ – FK18x36x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-48-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_c5e205d7-9ffa-47e4-af16-c08f3805a750.jpg?v=1767347985 Filter King 21.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 48 x .75″ Filter King 21.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 48 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-50-5-x-75-fk24-5-50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x50.5x1A-M8-4.jpg?v=1767348108 Filter King 24.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 50.5 x .75″ – FK24.5×50.5x1A-M8 – 4 Filter King 24.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 50.5 x .75″ – FK24.5×50.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-40-x-75-fk23x40x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x40x1A-M8-4.jpg?v=1767348228 Filter King 23x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 40 x .75″ – FK23x40x1A-M8 -4 Filter King 23x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 40 x .75″ – FK23x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-16-5-x-75-fk16-5-16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x16.5x1A-M8-4.jpg?v=1767348288 Filter King 16.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 16.5 x .75″ – FK16.5×16.5x1A-M8-4 Filter King 16.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 16.5 x .75″ – FK16.5×16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-37-x-75-fk17x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_9b542c3d-9e0c-4467-bc35-3d09a2c5e2cf.jpg?v=1767348892 Filter King 17x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 37 x .75″ – FK17x37x1A-M8 -4 Filter King 17x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 37 x .75″ – FK17x37x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-16-5-x-75-fk17-5-16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x16.5x1A-M8-4.jpg?v=1767349013 Filter King 17.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 16.5 x .75″ – FK17.5×16.5x1A-M8 – 4 Filter King 17.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 16.5 x .75″ – FK17.5×16.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-4-x-75-fk10x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x4x1A-M8-4.jpg?v=1767349070 Filter King 10x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 4 x .75″ – FK10x4x1A-M8 -4 Filter King 10x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 4 x .75″ – FK10x4x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-36-x-75-fk7-5x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x36x1A-M8-4.jpg?v=1767349315 Filter King 7.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 36 x .75″ – FK7.5x36x1A-M8-4 Filter King 7.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 36 x .75″ – FK7.5x36x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-60-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_17d52416-b008-4a05-a610-305c309b88d9.webp?v=1767349377 Filter King 20×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 60.5 x .75″ Filter King 20×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 60.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-23-5-x-75-fk25-5-23-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x23.5x1A-M8-4.jpg?v=1767349498 Filter King 25.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23.5 x .75″ – FK25.5×23.5x1A-M8 – 4 Filter King 25.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23.5 x .75″ – FK25.5×23.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-54-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x54.jpg?v=1767349679 Filter King 19×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54.5 x .75″ Filter King 19×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-20-5-1-air-filter-4-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 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x20.5x1A-M8-4.jpg?v=1767349796 Filter King 20.5×20.5×1 Air Filter | 4-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 Filter King 20.5×20.5×1 Air Filter | 4-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 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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2227.jpg?v=1767349921 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-28-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-53-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_39e5c317-e5e3-47f5-934c-2673787e2013.jpg?v=1767350103 Filter King 28.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 53 x .75″ Filter King 28.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 53 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-5-x-75-fk9-5x5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x5x1A-M8-4.jpg?v=1767350041 Filter King 9.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 5 x .75″ – FK9.5x5x1A-M8-4 Filter King 9.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 5 x .75″ – FK9.5x5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-14-5-x-75-fk26x14-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily 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FK12x12.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-60-5-x-75-fk24-5-60-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_29ce6537-03c6-4109-bf5c-a034541b6056.jpg?v=1767350402 Filter King 24.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 60.5 x .75″ – FK24.5×60.5x1A-M8 -4 Filter King 24.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 60.5 x .75″ – FK24.5×60.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-34-5-x-75-fk27-5-34-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x34.5x1A-M8-4.jpg?v=1767350521 Filter King 27.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 34.5 x .75″ – FK27.5×34.5x1A-M8 -4 Filter King 27.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 34.5 x .75″ – FK27.5×34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-54-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x54.jpg?v=1767350702 Filter King 26×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 54.5 x .75″ Filter King 26×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 54.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-58-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25x58.png?v=1767351007 Filter King 25.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 58 x .75″ Filter King 25.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 58 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-64-5-x-75-fk22-5-64-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_90b01811-d7e0-4050-9085-af64d631cf15.jpg?v=1767351246 Filter King 22.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 64.5 x .75″ – FK22.5×64.5x1A-M8 -4 Filter King 22.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 64.5 x .75″ – FK22.5×64.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-43-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_5d21296d-4362-43e1-9bbc-386267bc6941.webp?v=1767351609 Filter King 19×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 43.5 x .75″ Filter King 19×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 43.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-16-x-75-fk26x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x16x1A-M8-4.jpg?v=1767352517 Filter King 26x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 16 x .75″ – FK26x16x1A-M8 -4 Filter King 26x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 16 x .75″ – FK26x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-39-5-x-75-fk29x39-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_8963979d-8e67-4464-8431-a6a2f9b819cb.webp?v=1767352577 Filter King 29×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 39.5 x .75″ – FK29x39.5x1A-M8 -4 Filter King 29×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 39.5 x .75″ – FK29x39.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-42-x-75-fk15-5x42x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x42x1A-M8-4.jpg?v=1767352638 Filter King 15.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 42 x .75″ – FK15.5x42x1A-M8-4 Filter King 15.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 42 x .75″ – FK15.5x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-26-5-x-75-fk25-5-26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x26.5x1A-M8-4.jpg?v=1767352752 Filter King 25.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 26.5 x .75″ – FK25.5×26.5x1A-M8 – 4 Filter King 25.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 26.5 x .75″ – FK25.5×26.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-27-5-x-75-fk29-5-27-5x1a-m8 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x27.5x1A-M8.avif?v=1767352999 Filter King 29.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 27.5 x .75″ – FK29.5×27.5x1A-M8 Filter King 29.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 27.5 x .75″ – FK29.5×27.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-59-x-75-fk19x59x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_65169f00-6546-4f1b-94e1-745da8cec88d.webp?v=1767355539 Filter King 19x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59 x .75″ – FK19x59x1A-M8 -4 Filter King 19x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59 x .75″ – FK19x59x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-38-5-x-75-fk17x38-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x38.5x1A-M8-4.avif?v=1767353294 Filter King 17×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38.5 x .75″ – FK17x38.5x1A-M8 -4 Filter King 17×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38.5 x .75″ – FK17x38.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-13-x-75-fk23-5x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_dc992f67-b3c7-4d26-b2dc-493db5f8572a.jpg?v=1767353178 Filter King 23.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 13 x .75″ – FK23.5x13x1A-M8 -4 Filter King 23.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 13 x .75″ – FK23.5x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-61-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/24x16.webp?v=1767353303 Filter King 24×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61.5 x .75″ Filter King 24×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-20-5-x-75-fk26-5-20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x20.png?v=1767353425 Filter King 26.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 20.5 x .75″ – FK26.5×20.5x1A-M8 -4 Filter King 26.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 20.5 x .75″ – FK26.5×20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-44-5-x-75-fk25-5-44-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/V_a68aa2ea-a6d8-4887-9d18-8c0aff0842e3.jpg?v=1767353598 Filter King 25.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44.5 x .75″ – FK25.5×44.5x1A-M8 -4 Filter King 25.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44.5 x .75″ – FK25.5×44.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-32-x-75-fk23x32x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x32x1A-M8-4.jpg?v=1767353662 Filter King 23x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32 x .75″ – FK23x32x1A-M8 -4 Filter King 23x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32 x .75″ – FK23x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-9-x-75-fk29x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x9.avif?v=1767353913 Filter King 29x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 9 x .75″ – FK29x9x1A-M8 -4 Filter King 29x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 9 x .75″ – FK29x9x1A-M8 -4 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A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 30 x .75″ – FK13.5x30x1A-M8-4 Filter King 13.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 30 x .75″ – FK13.5x30x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-47-5-x-75-fk27-5-47-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/52.1_16847429-6c46-475e-95ea-4a42c4919eb5.jpg?v=1767355169 Filter King 27.5×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 47.5 x .75″ – FK27.5×47.5x1A-M8 – 4 Filter King 27.5×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 47.5 x .75″ – FK27.5×47.5x1A-M8 – 4 WholesaleHVACDirect 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https://hvacdirect.store/products/filter-king-22-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-46-x-75-fk22-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_6d2f4234-7fae-46be-ab26-d78d40e7b21e.png?v=1767355657 Filter King 22.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 46 x .75″ – FK22.5x46x1A-M8 -4 Filter King 22.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 46 x .75″ – FK22.5x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-31-x-75-fk4-5x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x31x1A-M8-4.jpg?v=1767355720 Filter King 4.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 31 x .75″ – FK4.5x31x1A-M8 -4 Filter King 4.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 31 x .75″ – FK4.5x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-57-5-x-75-fk23x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x57.5x1A-M8-4_adaa1e99-6fdb-42be-b46b-54251d1dfa0a.jpg?v=1767355776 Filter King 23×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 57.5 x .75″ – FK23x57.5x1A-M8 -4 Filter King 23×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 57.5 x .75″ – FK23x57.5x1A-M8 -4 WholesaleHVACDirect 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https://hvacdirect.store/products/filter-king-21-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-52-x-75-fk21-5x52x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/60.1_07933de5-cdf5-451f-96fa-1fc8f07542a0.jpg?v=1767357776 Filter King 21.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52 x .75″ – FK21.5x52x1A-M8 – 4 Filter King 21.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52 x .75″ – FK21.5x52x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-29-x-75-fk28x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/61.1_34f1ab27-7d43-44a6-a7d7-0500c792b82b.jpg?v=1767358014 Filter King 28x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 29 x .75″ – FK28x29x1A-M8 – 4 Filter King 28x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 29 x .75″ – FK28x29x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-17-5-x-75-fk28x17-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_6c3650f1-1eaa-47a9-a468-ce6d7bd2935b.jpg?v=1767358197 Filter King 28×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 17.5 x .75″ – FK28x17.5x1A-M8 -4 Filter King 28×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 17.5 x .75″ – FK28x17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-58-x-75-fk6x58x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x58x1A-M8-4.jpg?v=1767358070 Filter King 6x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 58 x .75″ – FK6x58x1A-M8 -4 Filter King 6x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 58 x .75″ – FK6x58x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-12-x-75-fk26-5x12x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/62.1_1bb22dc2-ef26-451e-a149-464e4077b2e2.jpg?v=1767358319 Filter King 26.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 12 x .75″ – FK26.5x12x1A-M8 – 4 Filter King 26.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 12 x .75″ – FK26.5x12x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-25-5-x-75-fk22x25-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x25.5x1A-M8-4.avif?v=1767358866 Filter King 22×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 25.5 x .75″ – FK22x25.5x1A-M8 -4 Filter King 22×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 25.5 x .75″ – FK22x25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-21-x-75-fk24x21x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/63.1_b447c4a3-c0d7-4560-9dc1-417e16a5c67c.jpg?v=1767358801 Filter King 24x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21 x .75″ – FK24x21x1A-M8 – 4 Filter King 24x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21 x .75″ – FK24x21x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-58-x-75-fk6-5x58x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x58x1A-M8-4.jpg?v=1767359042 Filter King 6.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 58 x .75″ – FK6.5x58x1A-M8 -4 Filter King 6.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 58 x .75″ – FK6.5x58x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-37-5-x-75-fk25-5-37-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x37.5x1A-M8-4.jpg?v=1767359639 Filter King 25.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 37.5 x .75″ – FK25.5×37.5x1A-M8 -4 Filter King 25.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 37.5 x .75″ – FK25.5×37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-38-5-x-75-fk22x38-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_71bc3612-8767-4b49-ac33-c8f00a8573a5.avif?v=1767359879 Filter King 22×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38.5 x .75″ – FK22x38.5x1A-M8 -4 Filter King 22×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38.5 x .75″ – FK22x38.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-44-x-75-fk5-5x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x44x1A-M8-4.jpg?v=1767359763 Filter King 5.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 44 x .75″ – FK5.5x44x1A-M8 -4 Filter King 5.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 44 x .75″ – FK5.5x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-6-x-75-fk24x6x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/67.1_45fd8719-4ef6-4f6b-9719-15a4aef9f803.jpg?v=1767359942 Filter King 24x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6 x .75″ – FK24x6x1A-M8 -4 Filter King 24x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6 x .75″ – FK24x6x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-50-x-75-fk22x50x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/68.1.avif?v=1767360187 Filter King 22x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 50 x .75″ – FK22x50x1A-M8 -4 Filter King 22x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 50 x .75″ – FK22x50x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-15-x-75-fk23x15x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x15x1A-M8-4.jpg?v=1767360244 Filter King 23x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 15 x .75″ – FK23x15x1A-M8-4 Filter King 23x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 15 x .75″ – FK23x15x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-61-x-75-fk24-5x61x1a-m8-44 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/71.1.avif?v=1767360612 Filter King 24.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61 x .75″ – FK24.5x61x1A-M8 -44 Filter King 24.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61 x .75″ – FK24.5x61x1A-M8 -44 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-54-x-75-fk14-5x54x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x54x1A-M8-4.jpg?v=1767360486 Filter King 14.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 54 x .75″ – FK14.5x54x1A-M8 -4 Filter King 14.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 54 x .75″ – FK14.5x54x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-37-5-x-75-fk17-5-37-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x37.5x1A-M8-4.jpg?v=1767360674 Filter King 17.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 37.5 x .75″ – FK17.5×37.5x1A-M8 -4 Filter King 17.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 37.5 x .75″ – FK17.5×37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-22-x-75-fk4-5x22x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x22x1A-M8-4.jpg?v=1767360725 Filter King 4.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 22 x .75″ – FK4.5x22x1A-M8-4 Filter King 4.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 22 x .75″ – FK4.5x22x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-23-x-75-fk10-5x23x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x23x1A-M8-4.jpg?v=1767360849 Filter King 10.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 23 x .75″ – FK10.5x23x1A-M8 -4 Filter King 10.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 23 x .75″ – FK10.5x23x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-18-x-75-fk21-5x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x18x1A-M8-4.jpg?v=1767360969 Filter King 21.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 18 x .75″ – FK21.5x18x1A-M8 -4 Filter King 21.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 18 x .75″ – FK21.5x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-8-5-x-75-fk11-5-8-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x8.5x1A-M8-4.jpg?v=1767361086 Filter King 11.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 8.5 x .75″ – FK11.5×8.5x1A-M8-4 Filter King 11.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 8.5 x .75″ – FK11.5×8.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-54-5-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2254_f2712b32-83b4-487e-9a52-4e2a40aec215.webp?v=1767361150 Filter King 22.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 54.5 x .75″ Filter King 22.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 54.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-6-5-x-75-fk25-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x6.5x1A-M8-4.png?v=1767361266 Filter King 25.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 6.5 x .75″ – FK25.5×6.5x1A-M8 -4 Filter King 25.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 6.5 x .75″ – FK25.5×6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-33-x-75-fk21x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x33x1A-M8-4.jpg?v=1767361331 Filter King 21x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 33 x .75″ – FK21x33x1A-M8 -4 Filter King 21x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 33 x .75″ – FK21x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-5-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x5.5.jpg?v=1767361445 Filter King 22×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5.5 x .75″ Filter King 22×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-27-x-75-fk28-5x27x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x27x1A-M8-4.jpg?v=1767361573 Filter King 28.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 27 x .75″ – FK28.5x27x1A-M8 -4 Filter King 28.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 27 x .75″ – FK28.5x27x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-46-x-75-fk20-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x46x1A-M8-4.jpg?v=1767361691 Filter King 20.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 46 x .75″ – FK20.5x46x1A-M8 -4 Filter King 20.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 46 x .75″ – FK20.5x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-14-5-x-75-fk22-5-14-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x14.5x1A-M8-4.jpg?v=1767361871 Filter King 22.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14.5 x .75″ – FK22.5×14.5x1A-M8 -4 Filter King 22.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14.5 x 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Size: 26 x 11.5 x .75″ – FK26x11.5x1A-M8 -4 Filter King 26×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 11.5 x .75″ – FK26x11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-14-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2214.jpg?v=1767362168 Filter King 22.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14 x .75″ Filter King 22.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-33-x-75-fk17x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily 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WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-30-5-x-75-fk30-5-30-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x30.5x1A-M8-4.jpg?v=1767364885 Filter King 30.5×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 30.5 x .75″ – FK30.5×30.5x1A-M8 -4 Filter King 30.5×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 30.5 x .75″ – FK30.5×30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-27-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25271.jpg?v=1767362655 Filter King 25x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 27 x .75″ Filter King 25x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 27 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-7-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x7.5.webp?v=1767362955 Filter King 21×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7.5 x .75″ Filter King 21×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-23-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1823.jpg?v=1767363018 Filter King 18.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23.5 x .75″ Filter King 18.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-58-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x58.webp?v=1767363137 Filter King 21.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 58.5 x .75″ Filter King 21.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 58.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-8-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2881.jpg?v=1767364041 Filter King 28.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 8 x .75″ Filter King 28.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 8 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-33-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x33.webp?v=1767364226 Filter King 29×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 33.5 x .75″ Filter King 29×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 33.5 x .75″ WholesaleHVACDirect 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Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 58.5 x .75″ – FK23x58.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-28-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x28.jpg?v=1767365065 Filter King 27x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 28 x .75″ Filter King 27x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 28 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-66-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x66.jpg?v=1767365130 Filter King 18×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC 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https://hvacdirect.store/products/filter-king-29-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-25-x-75-fk29-5x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/77.1_ccd858a9-de91-4f32-a813-0b11b895291e.jpg?v=1767401173 Filter King 29.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 25 x .75″ – FK29.5x25x1A-M8-4 Filter King 29.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 25 x .75″ – FK29.5x25x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-17-x-75-fk29x17x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/78.1_96215262-e99a-4b55-a61b-c157d9019110.jpg?v=1767401352 Filter King 29x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 17 x .75″ – FK29x17x1A-M8-4 Filter King 29x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 17 x .75″ – FK29x17x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-20-x-75-fk19-5x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/80.1_fd2e6935-f5d0-45fa-841e-3284c034fc31.jpg?v=1767401478 Filter King 19.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20 x .75″ – FK19.5x20x1A-M8 -4 Filter King 19.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20 x .75″ – FK19.5x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-29-5-x-75-fb30x30-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/82.1_2d654895-d942-4464-b151-4807e6136215.jpg?v=1767401655 Filter King 30x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29.5 x .75″ – FB30X30-4 Filter King 30x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29.5 x .75″ – FB30X30-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-52-5-x-75-fk29x52-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/83.1_1b61f79b-a8f4-4177-885e-044b48aaf111.jpg?v=1767402500 Filter King 29×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 52.5 x .75″ – FK29x52.5x1A-M8 -4 Filter King 29×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 52.5 x .75″ – FK29x52.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-29-x-75-fk26-5x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/84.1_a576b8ab-e660-48b1-b0ff-aec68fb84f98.jpg?v=1767402564 Filter King 26.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 29 x .75″ – FK26.5x29x1A-M8 -4 Filter King 26.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 29 x .75″ – FK26.5x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-13-5-x-75-fk24-5-13-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/85.1_a4fb67f0-8dac-4029-84f6-4e27e210de92.jpg?v=1767402620 Filter King 24.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 13.5 x .75″ – FK24.5×13.5x1A-M8-4 Filter King 24.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 13.5 x .75″ – FK24.5×13.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-50-x-75-fk24x50x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/86.1.avif?v=1767403047 Filter King 24x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 50 x .75″ – FK24x50x1A-M8 -4 Filter King 24x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 50 x .75″ – FK24x50x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-36-x-75-fk25x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/88.1_e32f49d5-df10-4f9a-a54c-1837b3559660.jpg?v=1767402923 Filter King 25x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 36 x .75″ – FK25x36x1A-M8 -4 Filter King 25x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 36 x .75″ – FK25x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-36-x-75-fk26x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/89.1_beca7da1-96b2-45c8-ac3a-daf871589cd5.jpg?v=1767403102 Filter King 26x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 36 x .75″ – FK26x36x1A-M8 -4 Filter King 26x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 36 x .75″ – FK26x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-38-x-75-fk20x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/90.1_af6a68be-5634-427e-ab13-12316b143d3a.jpg?v=1767403163 Filter King 20x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 38 x .75″ – FK20x38x1A-M8 -4 Filter King 20x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 38 x .75″ – FK20x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-6-5-x-75-fk21-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/91.1_c0871095-16ff-42c7-8e49-a086d4066da3.avif?v=1767403522 Filter King 21.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6.5 x .75″ – FK21.5×6.5x1A-M8-4 Filter King 21.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6.5 x .75″ – FK21.5×6.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-24-5-x-75-fk19x24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x24x1.png?v=1767409261 Filter King 19×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24.5 x .75″ – FK19x24.5x1A-M8 -4 Filter King 19×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24.5 x .75″ – FK19x24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-30-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x30.jpg?v=1767410763 Filter King 26.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 30 x .75″ Filter King 26.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 30 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-16-x-75-fk22-5x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2216.jpg?v=1767411789 Filter King 22.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16 x .75″ – FK22.5x16x1A-M8 -4 Filter King 22.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16 x .75″ – FK22.5x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-39-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2639.webp?v=1767411970 Filter King 26×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 39.5 x .75″ Filter King 26×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 39.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-21-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23211.jpg?v=1767412454 Filter King 23.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21.5 x .75″ Filter King 23.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-26-5-x-75-fb17x27-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1727.jpg?v=1767412755 Filter King 17x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 26.5 x .75″ – FB17X27 -4 Filter King 17x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 26.5 x .75″ – FB17X27 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-52-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x52.webp?v=1767413121 Filter King 21×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52.5 x .75″ Filter King 21×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-35-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x35.webp?v=1767413419 Filter King 27×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 35.5 x .75″ Filter King 27×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 35.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-9-x-75-fk24-5x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/249.jpg?v=1767413784 Filter King 24.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 9 x .75″ – FK24.5x9x1A-M8 -4 Filter King 24.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 9 x .75″ – FK24.5x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-29-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21X29.webp?v=1767414209 Filter King 21x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 29 x .75″ Filter King 21x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 29 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-19-5-1-air-filter-4-pack-merv-8-actual-size-29-5-x-19-5-x-75-fk29-5-19-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2919.webp?v=1767414446 Filter King 29.5×19.5×1 Air Filter 4-PACK MERV 8 Actual Size 29.5 x 19.5 x .75″ – FK29.5×19.5x1A-M8 -4 Filter King 29.5×19.5×1 Air Filter 4-PACK MERV 8 Actual Size 29.5 x 19.5 x .75″ – FK29.5×19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-60-5-x-75-fk21x60-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x60.5x1A-M8-4.avif?v=1767415061 Filter King 21×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 60.5 x .75″ – FK21x60.5x1A-M8 -4 Filter King 21×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 60.5 x .75″ – FK21x60.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-33-x-75-fk7x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x33x1A-M8-4.jpg?v=1767414990 Filter King 7x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 33 x .75″ – FK7x33x1A-M8-4 Filter King 7x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 33 x .75″ – FK7x33x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-24-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x24.jpg?v=1767415110 Filter King 27x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 24 x .75″ Filter King 27x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 24 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-66-5-x-75-fk24-5-66-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x66.5x1A-M8-4.jpg?v=1767416013 Filter King 24.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66.5 x .75″ – FK24.5×66.5x1A-M8 -4 Filter King 24.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66.5 x .75″ – FK24.5×66.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-4-x-75-fk8x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily 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4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-54-5-x-75-fk9-5-4-5x1a-m8 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x4.5x1A-M8.jpg?v=1767418067 Filter King 9.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 54.5 x .75″ – FK9.5×4.5x1A-M8 Filter King 9.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 54.5 x .75″ – FK9.5×4.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-6-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x6.webp?v=1767418609 Filter King 29x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 6 x .75″ Filter King 29x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 6 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-58-x-75-fk13x58x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x58x1A-M8-4.jpg?v=1767418667 Filter King 13x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 58 x .75″ – FK13x58x1A-M8-4 Filter King 13x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 58 x .75″ – FK13x58x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-46-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x46.jpg?v=1767419089 Filter King 26.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 46 x .75″ Filter King 26.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 46 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-58-x-75-fk13x58x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x58x1A-M8-4_1.jpg?v=1767419206 Filter King 13x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 58 x .75″ – FK13x58x1A-M8-4 Filter King 13x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 58 x .75″ – FK13x58x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-28-5-x-75-fk11x28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x28.5x1A-M8-4.jpg?v=1767419391 Filter King 11×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 28.5 x .75″ – FK11x28.5x1A-M8-4 Filter King 11×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 28.5 x .75″ – FK11x28.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-36-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x36.5x1A-M8-4.jpg?v=1767419573 Filter King 14×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 36.5 x .75″ – Filter King 14×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 36.5 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-12-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x12.webp?v=1767419813 Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75″ Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-58-x-75-fk8x58x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x58x1A-M8-4.jpg?v=1767419932 Filter King 8x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 58 x .75″ – FK8x58x1A-M8-4 Filter King 8x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 58 x .75″ – FK8x58x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-28-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26x28.jpg?v=1767420656 Filter King 26.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 28.5 x .75″ Filter King 26.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 28.5 x .75″ WholesaleHVACDirect 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Size: 29.5 x 29 x .75″ Filter King 29.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 29 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-36-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_a6306019-88cd-4093-8307-f3535f7e7f27.jpg?v=1767422590 Filter King 30.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 36 x .75″ Filter King 30.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 36 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-28-5-x-75 2026-07-21T15:46:38-04:00 daily 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.75″ – FK23.5x30x1A-M8 -4 Filter King 23.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30 x .75″ – FK23.5x30x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-55-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_8c3c2a30-1f0a-4777-9fb9-5bda8b659742.jpg?v=1767423433 Filter King 30×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 55.5 x .75″ Filter King 30×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 55.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-37-5-x-75 2026-07-21T15:46:38-04:00 daily 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WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-16-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_353830de-08d3-4884-9e0f-9f19e4b31da1.jpg?v=1767424580 Filter King 26.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 16 x .75″ Filter King 26.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 16 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-17-5-x-75-fk18x17-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/99.1_0e65f20a-d76c-4348-a154-e3876fd6ca94.jpg?v=1767424943 Filter King 18×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17.5 x .75″ – FK18x17.5x1A-M8 -4 Filter King 18×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17.5 x .75″ – FK18x17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-26-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x26.jpg?v=1767425007 Filter King 29x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 26 x .75″ Filter King 29x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 26 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-61-x-75 2026-07-21T15:46:38-04:00 daily 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Actual Size: 15.5 x 59 x .75″ – FK15.5x59x1A-M8-4 Filter King 15.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 59 x .75″ – FK15.5x59x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-4-x-75-fk20-5x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2054.jpg?v=1767425305 Filter King 20.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4 x .75″ – FK20.5x4x1A-M8 4 Filter King 20.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4 x .75″ – FK20.5x4x1A-M8 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-12-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_6f83fef8-244d-4f54-b395-3059afdc4eb7.webp?v=1767425364 Filter King 18.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 12.5 x .75″ Filter King 18.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 12.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-44-x-75-fk23x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1.1_09f33fa3-3a64-4ab9-a7aa-cbd6cf360fe0.jpg?v=1767425424 Filter King 23x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 44 x .75″ – FK23x44x1A-M8 -4 Filter King 23x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 44 x .75″ – FK23x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-8-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_116dd95c-4948-4411-8fb3-b89b19b9b2fb.jpg?v=1767426570 Filter King 17x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8 x .75″ Filter King 17x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-50-5-x-75-fk28x50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2.1_95ed969e-3646-4061-8547-60875575931d.jpg?v=1767425545 Filter King 28×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 50.5 x .75″ – FK28x50.5x1A-M8 -4 Filter King 28×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 50.5 x .75″ – FK28x50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-10-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_3e06cf6d-ee8b-46ce-b9f4-c6163f3b5904.jpg?v=1767425603 Filter King 21.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10.5 x .75″ Filter King 21.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-48-5-x-75-fk10x48-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/72.1_6f03c70d-8121-40b3-8565-f1bfc1e04616.jpg?v=1767425726 Filter King 10×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 48.5 x .75″ – FK10x48.5x1A-M8-4 Filter King 10×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 48.5 x .75″ – FK10x48.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-21-5-x-75-fk23x21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/3.1_45849840-d5d7-4e23-93d7-b0802b12d6f6.jpg?v=1767425964 Filter King 23×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21.5 x .75″ – FK23x21.5x1A-M8 -4 Filter King 23×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN 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23×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 42.5 x .75″ – FK23x42.5x1A-M8 -4 Filter King 23×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 42.5 x .75″ – FK23x42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-4-x-75-fk20-5x4x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2054_234552bd-bee1-4288-b66d-62f6c91f3adb.jpg?v=1767426327 Filter King 20.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4 x .75″ – FK20.5x4x1A-M8 4 Filter King 20.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4 x .75″ – FK20.5x4x1A-M8 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-57-5-x-75-fk28x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/5.1_8ab325e8-4c59-43cf-b0e2-187e722fada7.jpg?v=1767426632 Filter King 28×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 57.5 x .75″ – FK28x57.5x1A-M8 -4 Filter King 28×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 57.5 x .75″ – FK28x57.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-48-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_e213158e-4e46-4c71-ab86-787819f4d39e.webp?v=1767426753 Filter King 22.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 48.5 x .75″ Filter King 22.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 48.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-62-x-75-fk29-5x62x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/6.1_586707e8-59de-4593-9a01-da60f6703b6d.jpg?v=1767426811 Filter King 29.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 62 x .75″ – FK29.5x62x1A-M8 -4 Filter King 29.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 62 x .75″ – FK29.5x62x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-35-5-x-75-fk21-5-35-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/7.1_0fa91fb3-1d1d-4e62-83f1-090c8f86c894.avif?v=1767427183 Filter King 21.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35.5 x .75″ – FK21.5×35.5x1A-M8-4 Filter King 21.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35.5 x .75″ – FK21.5×35.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-23-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_ed45bfc9-c75a-4165-af93-bfc7ca301027.jpg?v=1767427052 Filter King 17.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23 x .75″ Filter King 17.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-4-x-75-fk30x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/8.1_fefeccdf-3f1f-4519-82ce-cd63a7a12094.jpg?v=1767427115 Filter King 30x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 4 x .75″ – FK30x4x1A-M8-4 Filter King 30x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 4 x .75″ – FK30x4x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-58-5-x-75 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-18-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-4-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_3327bf03-3402-42f8-b19f-270fd4140562.webp?v=1767427356 Filter King 18×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4.5 x .75″ Filter King 18×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-19-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_42c8d211-e338-472d-8503-3cd9d7294876.jpg?v=1767427480 Filter King 18.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19 x .75″ Filter King 18.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-66-x-75-fk25x66x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/9.1_b4a6a6c0-9f6f-4e24-899f-b41a1071527b.jpg?v=1767427716 Filter King 25x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 66 x .75″ – FK25x66x1A-M8-4 Filter King 25x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 66 x .75″ – FK25x66x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-46-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17X4.jpg?v=1767427775 Filter King 17.5×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46.5 x .75″ Filter King 17.5×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-9-x-75-fk20-5x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/10.1_23b881d5-e45a-48f5-8abd-e4ddfa254588.jpg?v=1767427957 Filter King 20.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 9 x .75″ – FK20.5x9x1A-M8-4 Filter King 20.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 9 x .75″ – FK20.5x9x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-48-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_14c5a194-db45-49eb-8675-aca56c37acc0.jpg?v=1767429042 Filter King 20.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 48 x .75″ Filter King 20.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 48 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-51-x-75-fk8-5x51x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/72.1_709b9e77-6bb5-4b44-a1e6-023ee0eb07da.jpg?v=1767429105 Filter King 8.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 51 x .75″ – FK8.5x51x1A-M8-4 Filter King 8.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 51 x .75″ – FK8.5x51x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-8-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_a6d21a01-0a74-48b5-8801-27eb26e9cd4b.jpg?v=1767429286 Filter King 28x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 8 x .75″ Filter King 28x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 8 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-17-5-x-75-fk8-5-17-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/70.1.avif?v=1767429549 Filter King 8.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 17.5 x .75″ – FK8.5×17.5x1A-M8-4 Filter King 8.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 17.5 x .75″ – FK8.5×17.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-25-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_990ed168-62e5-4f2b-8505-8623b07b70ad.jpg?v=1767429527 Filter King 27.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 25 x .75″ Filter King 27.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 25 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-22-x-75-fk30x22x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/12.1_7868914f-b886-4b94-82d4-d6d638935df2.jpg?v=1767429587 Filter King 30x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 22 x .75″ – FK30x22x1A-M8-4 Filter King 30x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 22 x .75″ – FK30x22x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-25-x-76 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K1_15d2e63f-eae7-4bb3-b97d-e2383c913e4e.jpg?v=1767429708 Filter King 27.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 25 x .75″ Filter King 27.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 25 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-11-5-x-75-fk17-5-11-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/13.1_2dc22caf-146a-4d4f-8ae3-9e7d4300627f.jpg?v=1767429766 Filter King 17.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75″ – FK17.5×11.5x1A-M8-4 Filter King 17.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75″ – FK17.5×11.5x1A-M8-4 WholesaleHVACDirect 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10.5 x .75″ – FK27.5×10.5x1A-M8 -4 Filter King 27.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 10.5 x .75″ – FK27.5×10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-23-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_5894914a-3d71-44ef-b3c2-0cbac855886a.jpg?v=1767429946 Filter King 24x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23 x .75″ Filter King 24x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-41-x-75-fk30-5x41x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/97.1_e2035015-45c0-42a8-8fb6-fd70b672baed.jpg?v=1767430009 Filter King 30.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 41 x .75″ – FK30.5x41x1A-M8 -4 Filter King 30.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 41 x .75″ – FK30.5x41x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-10-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_37515ff8-4e30-418c-8a88-f1a1112d17e4.webp?v=1767430069 Filter King 30×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 10.5 x .75″ Filter King 30×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 10.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-23-x-75-fk18-5x23x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/77.1_6f366272-698f-4746-8a78-621495679832.jpg?v=1767430250 Filter King 18.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23 x .75″ – FK18.5x23x1A-M8 -4 Filter King 18.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23 x .75″ – FK18.5x23x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-10-x-75-fk19-5x10x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/14.1_e3206444-51ed-49f3-a348-839c0703dbe2.jpg?v=1767430793 Filter King 19.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10 x .75″ – FK19.5x10x1A-M8-4 Filter King 19.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10 x .75″ – FK19.5x10x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-65-x-75-fk21-5x65x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/16.1.webp?v=1767430975 Filter King 21.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 65 x .75″ – FK21.5x65x1A-M8-4 Filter King 21.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 65 x .75″ – FK21.5x65x1A-M8-4 WholesaleHVACDirect 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Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 9 x .75″ – FK19x9x1A-M8-4 Filter King 19x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 9 x .75″ – FK19x9x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-4-5-x-75-fk21x4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/93_498cc0a7-e0a8-4807-9813-ff09d94f36df.jpg?v=1767431274 Filter King 21×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 4.5 x .75″ – FK21x4.5x1A-M8 -4 Filter King 21×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 4.5 x .75″ – FK21x4.5x1A-M8 -4 WholesaleHVACDirect 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Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 43.5 x .75″ – FK27x43.5x1A-M8 -4 Filter King 27×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 43.5 x .75″ – FK27x43.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-54-x-75-fk28-5x54x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/90.1_ae4d3726-d4de-438e-8513-a032fe283224.jpg?v=1767432661 Filter King 28.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54 x .75″ – FK28.5x54x1A-M8 -4 Filter King 28.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54 x .75″ – FK28.5x54x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-54-x-75-fk28-5x54x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x54x1A-M8-4.jpg?v=1767433023 Filter King 28.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54 x .75″ – FK28.5x54x1A-M8 -4 Filter King 28.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 54 x .75″ – FK28.5x54x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-50-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x50-1.jpg?v=1767433265 Filter King 18×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 50.5 x .75″ Filter King 18×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 50.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-41-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18x41-1.jpg?v=1767433445 Filter King 18.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 41 x .75″ Filter King 18.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 41 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-12-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25x12.jpg?v=1767433991 Filter King 25x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 12 x .75″ Filter King 25x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 12 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-66-x-75-fk28-5x66x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/18.1_0ea9504f-502c-466c-9182-26261295351a.jpg?v=1767590390 Filter King 28.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 66 x .75″ – FK28.5x66x1A-M8-4 Filter King 28.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 66 x .75″ – FK28.5x66x1A-M8-4 WholesaleHVACDirect 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FK20x24.5x1A-M8-4 Filter King 20×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 24.5 x .75″ – FK20x24.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-26-5-x-75-fk15x26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x26.5x1A-M8-4.jpg?v=1767591712 Filter King 15×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 26.5 x .75″ – FK15x26.5x1A-M8-4 Filter King 15×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 26.5 x .75″ – FK15x26.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-36-5-x-75-fk29x36-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_4b88b646-57fe-4135-a689-9549edba4d78.jpg?v=1767591774 Filter King 29×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 36.5 x .75″ – FK29x36.5x1A-M8 -4 Filter King 29×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 36.5 x .75″ – FK29x36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-54-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x54_1.webp?v=1767591829 Filter King 27.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 54.5 x .75″ Filter King 27.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 54.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-16-5-x-75-fk19-5-16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21.1_bd6dc369-55bf-4f9b-8e2b-7a7a11fd26fc.jpg?v=1767591960 Filter King 19.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16.5 x .75″ – FK19.5×16.5x1A-M8-4 Filter King 19.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16.5 x .75″ – FK19.5×16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-6-5-x-75-fk19-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22.1_e629252a-f24f-4627-9410-e9a313d1add4.jpg?v=1767592142 Filter King 19.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 6.5 x .75″ – FK19.5×6.5x1A-M8-4 Filter King 19.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 6.5 x .75″ – FK19.5×6.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-38-x-75-fk8-5x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x38x1A-M8-4.jpg?v=1767592261 Filter King 8.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 38 x .75″ – FK8.5x38x1A-M8-4 Filter King 8.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 38 x .75″ – FK8.5x38x1A-M8-4 WholesaleHVACDirect 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x 19 x .75″ – FK25x19x1A-M8-4 Filter King 25x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 19 x .75″ – FK25x19x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-51-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x51.webp?v=1767592443 Filter King 27.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 51 x .75″ Filter King 27.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 51 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-59-5-x-75-fk23-5-59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/25.1_86c7ba82-ebba-4da2-97ee-58462546dfe3.jpg?v=1767592559 Filter King 23.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 59.5 x .75″ – FK23.5×59.5x1A-M8-4 Filter King 23.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 59.5 x .75″ – FK23.5×59.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-7-5-x-75-fk18-5-7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/26.1_b658c62f-be24-4f5e-9221-eaa1ae5e2a08.jpg?v=1767592685 Filter King 18.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 7.5 x .75″ – FK18.5×7.5x1A-M8-4 Filter King 18.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 7.5 x .75″ – FK18.5×7.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-5-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_fd738005-b145-4273-90ef-0fb969f3ace4.jpg?v=1767592802 Filter King 25×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 5.5 x .75″ Filter King 25×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 5.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-42-x-75-fk9x42x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x42x1A-M8-4.jpg?v=1767592862 Filter King 9x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 42 x .75″ – FK9x42x1A-M8 -4 Filter King 9x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 42 x .75″ – FK9x42x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-48-x-75-fk25-5x48x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28.1_6764d6a0-871f-46ff-a1ec-9f58c84c3a62.webp?v=1767592986 Filter King 25.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 48 x .75″ – FK25.5x48x1A-M8-4 Filter King 25.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 48 x .75″ – FK25.5x48x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-5-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/20x5.5.jpg?v=1767593043 Filter King 20×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5.5 x .75″ Filter King 20×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-9-x-75-fk26-5x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29.1.png?v=1767593162 Filter King 26.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 9 x .75″ – FK26.5x9x1A-M8-4 Filter King 26.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 9 x .75″ – FK26.5x9x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-20-x-75-fk9x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x20x1A-M8-4-2_639c8b9a-abc4-4c1b-990c-b84f4547ec27.jpg?v=1767593223 Filter King 9x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 20 x .75″ – FK9x20x1A-M8-4 Filter King 9x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 20 x .75″ – FK9x20x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-38-x-75-fk27-5x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_a8328342-3a48-448f-870e-d57143a7345e.jpg?v=1767593287 Filter King 27.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 38 x .75″ – FK27.5x38x1A-M8 -4 Filter King 27.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 38 x .75″ – FK27.5x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-16-5-x-75-fk20x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/30.1_cd79350e-0e59-47f1-8d03-dddbb45fecd4.jpg?v=1767593409 Filter King 20×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16.5 x .75″ – FK20x16.5x1A-M8-4 Filter King 20×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16.5 x .75″ – FK20x16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-26-5-x-75-fk17-5-26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x26.5x1A-M8-4.jpg?v=1767593586 Filter King 17.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 26.5 x .75″ – FK17.5×26.5x1A-M8 -4 Filter King 17.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 26.5 x .75″ – FK17.5×26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-36-5-x-75-fk4-5-36-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x36.5x1A-M8-4.jpg?v=1767594009 Filter King 4.5×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 36.5 x .75″ – FK4.5×36.5x1A-M8 -4 Filter King 4.5×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 36.5 x .75″ – FK4.5×36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-32-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_5e8f3cfd-c1a7-454b-ab3d-f2cb200a3c8e.webp?v=1767594373 Filter King 18.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 32.5 x .75″ Filter King 18.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 32.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-28-5-x-75-fk9-5-28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x28.5x1A-M8-4.jpg?v=1767594669 Filter King 9.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 28.5 x .75″ – FK9.5×28.5x1A-M8-4 Filter King 9.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 28.5 x .75″ – FK9.5×28.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-50-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_dd9df31b-6b67-4603-bd42-264fed5ed027.webp?v=1767594855 Filter King 17×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 50.5 x .75″ Filter King 17×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 50.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-10-5-x-75-fk24-5-10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x10.5x1A-M8-4.jpg?v=1767594911 Filter King 24.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 10.5 x .75″ – FK24.5×10.5x1A-M8 -4 Filter King 24.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 10.5 x .75″ – FK24.5×10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-15-5-x-75-fk6x15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x15.5x1A-M8-4.png?v=1767595032 Filter King 6×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 15.5 x .75″ – FK6x15.5x1A-M8-4 Filter King 6×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 15.5 x .75″ – FK6x15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-15-5-x-75-fk29x15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_ddc58224-7269-4862-a5d8-fcd33f4a649b.avif?v=1767595090 Filter King 29×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 15.5 x .75″ – FK29x15.5x1A-M8 -4 Filter King 29×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 15.5 x .75″ – FK29x15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-30-x-75-fk26x30x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x30x1A-M8-4.avif?v=1767595213 Filter King 26x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 30 x .75″ – FK26x30x1A-M8 -4 Filter King 26x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 30 x .75″ – FK26x30x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-47-5-x-75-fk7x47-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x47.5x1A-M8-4.jpg?v=1767595268 Filter King 7×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 47.5 x .75″ – FK7x47.5x1A-M8-4 Filter King 7×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 47.5 x .75″ – FK7x47.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-20-5-x-75-fk20x20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/31.1_c1e83cf7-ade7-450d-8584-d0dc6371e503.jpg?v=1767595393 Filter King 20×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 20.5 x .75″ – FK20x20.5x1A-M8-4 Filter King 20×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 20.5 x .75″ – FK20x20.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-15-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_2114fa57-f828-48c1-8f5c-268ed56ae38d.avif?v=1767595453 Filter King 30.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 15 x .75″ Filter King 30.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 15 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-21-x-75-fk27-5x21x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/32.1.avif?v=1767595517 Filter King 27.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 21 x .75″ – FK27.5x21x1A-M8-4 Filter King 27.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 21 x .75″ – FK27.5x21x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-25-x-75-fk9x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x25x1A-M8-4.jpg?v=1767595632 Filter King 9x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 25 x .75″ – FK9x25x1A-M8-4 Filter King 9x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 25 x .75″ – FK9x25x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-49-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_bf97ae7f-d674-4eab-bd1c-372c3c1e1caf.webp?v=1767595699 Filter King 22.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 49.5 x .75″ Filter King 22.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 49.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-28-5-x-75-fk21-5-28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/47.jpg?v=1767595882 Filter King 21.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28.5 x .75″ – FK21.5×28.5x1A-M8 -4 Filter King 21.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28.5 x .75″ – FK21.5×28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-9-x-75-fk17-5x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J.png?v=1767596129 Filter King 17.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 9 x .75″ – FK17.5x9x1A-M8 -4 Filter King 17.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 9 x .75″ – FK17.5x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-55-5-x-75-fk19x55-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_b5b10903-a116-4786-8257-e675ce94f236.jpg?v=1767596311 Filter King 19×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55.5 x .75″ – FK19x55.5x1A-M8 -4 Filter King 19×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55.5 x .75″ – FK19x55.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-28-5-x-75-fk5-5-28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x28.5x1A-M8-4.jpg?v=1767596427 Filter King 5.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 28.5 x .75″ – FK5.5×28.5x1A-M8-4 Filter King 5.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 28.5 x .75″ – FK5.5×28.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-42-5-x-75-fk27-5-42-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_d4a3aa11-4fa9-4508-96b9-3861678a8356.avif?v=1767596674 Filter King 27.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 42.5 x .75″ – FK27.5×42.5x1A-M8 -4 Filter King 27.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 42.5 x .75″ – FK27.5×42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-54-x-75-fk10x54x1a-m8-4 2026-07-21T15:46:38-04:00 daily 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WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-46-x-75-fk15-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x46x1A-M8-4.avif?v=1767597036 Filter King 15.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 46 x .75″ – FK15.5x46x1A-M8-4 Filter King 15.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 46 x .75″ – FK15.5x46x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-39-x-75-fk29x39x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_b5dcff9b-410d-404a-8e3c-c63269d81566.avif?v=1767597088 Filter King 29x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 39 x .75″ – FK29x39x1A-M8 -4 Filter King 29x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 39 x .75″ – FK29x39x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-16-5-x-75-fk17x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_da98a47c-f7ee-4292-adc2-e5c373f2f63a.jpg?v=1767597214 Filter King 17×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16.5 x .75″ – FK17x16.5x1A-M8 -4 Filter King 17×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16.5 x .75″ – FK17x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-44-x-75-fk12-5x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x44x1A-M8-4.avif?v=1767597269 Filter King 12.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 44 x .75″ – FK12.5x44x1A-M8-4 Filter King 12.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 44 x .75″ – FK12.5x44x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-26-5-x-75-fk24-5-26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/47.2_9e5814b8-646c-463e-9a6c-bd66270b16d2.jpg?v=1767597453 Filter King 24.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 26.5 x .75″ – FK24.5×26.5x1A-M8 -4 Filter King 24.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 26.5 x .75″ – FK24.5×26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-49-x-75-fk30x49x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_53a7d240-7793-4bfe-870a-de5e624bc97b.jpg?v=1767597697 Filter King 30x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 49 x .75″ – FK30x49x1A-M8 -4 Filter King 30x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 49 x .75″ – FK30x49x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-19-x-75-fk29-5x19x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/34.1_8f0069e3-ee3f-4c2f-a355-45f9d92c669f.jpg?v=1767597849 Filter King 29.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 19 x .75″ – FK29.5x19x1A-M8-4 Filter King 29.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 19 x .75″ – FK29.5x19x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-44-5-x-75-fk13-5-44-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x44.5x1A-M8-4.jpg?v=1767597910 Filter King 13.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 44.5 x .75″ – FK13.5×44.5x1A-M8-4 Filter King 13.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 44.5 x .75″ – FK13.5×44.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-35-5-x-75-fk26x35-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_695cb18b-2cb1-4137-b110-4ef53c5f150a.png?v=1767598032 Filter King 26×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 35.5 x .75″ – FK26x35.5x1A-M8 -4 Filter King 26×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 35.5 x .75″ – FK26x35.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-46-x-75-fk21-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/35.1_eaf414bc-c581-4225-8a81-aa6156ba72a6.jpg?v=1767598210 Filter King 21.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 46 x .75″ – FK21.5x46x1A-M8-4 Filter King 21.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 46 x .75″ – FK21.5x46x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-16-5-x-75-fk14x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x16.5x1A-M8-4.jpg?v=1767598335 Filter King 14×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 16.5 x .75″ – FK14x16.5x1A-M8-4 Filter King 14×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 16.5 x .75″ – FK14x16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-36-x-75-fk29x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_92a7e3cb-a3a0-4802-9e8d-10f87871577c.jpg?v=1767598396 Filter King 29x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 36 x .75″ – FK29x36x1A-M8 -4 Filter King 29x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 36 x .75″ – FK29x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-17-x-75-fk24x17x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x17x1A-M8-4.jpg?v=1767598642 Filter King 24x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17 x .75″ – FK24x17x1A-M8 -4 Filter King 24x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17 x .75″ – FK24x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-41-x-75-fk17-5x41x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/V_238ff241-3255-4820-a696-cde6e150ff75.jpg?v=1767598871 Filter King 17.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41 x .75″ – FK17.5x41x1A-M8 -4 Filter King 17.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41 x .75″ – FK17.5x41x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-18-x-75-fk27x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/39.1_b8bb3755-c394-417d-9b5e-db94a8400aae.jpg?v=1767598940 Filter King 27x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 18 x .75″ – FK27x18x1A-M8-4 Filter King 27x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 18 x .75″ – FK27x18x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-53-x-75-fk4x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x53x1A-M8-4.jpg?v=1767599054 Filter King 4x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 53 x .75″ – FK4x53x1A-M8-4 Filter King 4x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 53 x .75″ – FK4x53x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-18-x-75-fk22-5x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x18x1A-M8-4.avif?v=1767599119 Filter King 22.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18 x .75″ – FK22.5x18x1A-M8 -4 Filter King 22.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18 x .75″ – FK22.5x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-7-x-75-fk21x7x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/W_deb58813-0eff-4f77-a7f7-13164338fcb5.jpg?v=1767599242 Filter King 21x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7 x .75″ – FK21x7x1A-M8 -4 Filter King 21x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7 x .75″ – FK21x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-46-5-x-75-fk27-5-46-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/41.1_824f0ef2-81ad-4d20-9540-1463c3af201a.jpg?v=1767599302 Filter King 27.5×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 46.5 x .75″ – FK27.5×46.5x1A-M8-4 Filter King 27.5×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 46.5 x .75″ – FK27.5×46.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-30-x-75-fk7-5x30x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x30x1A-M8-4.jpg?v=1767599416 Filter King 7.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 30 x .75″ – FK7.5x30x1A-M8-4 Filter King 7.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 30 x .75″ – FK7.5x30x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-51-5-x-75-fk7x51-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x51.5x1A-M8-4.avif?v=1767599603 Filter King 7×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 51.5 x .75″ – FK7x51.5x1A-M8-4 Filter King 7×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 51.5 x .75″ – FK7x51.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-42-5-x-75-fk25-5-42-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/X_ac1d889e-ab9a-45bc-8963-af699ff9003e.jpg?v=1767599779 Filter King 25.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 42.5 x .75″ – FK25.5×42.5x1A-M8 -4 Filter King 25.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 42.5 x .75″ – FK25.5×42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-29-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-29-5-x-75-fk22x29-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/42.1_9bdc7337-528b-4b67-a0e9-b21b5508613b.jpg?v=1767599795 Filter King 22×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 29.5 x .75″ – FK22x29.5x1A-M8-4 Filter King 22×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 29.5 x .75″ – FK22x29.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-64-x-75-fk10-5x64x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x64x1A-M8-4.jpg?v=1767599844 Filter King 10.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 64 x .75″ – FK10.5x64x1A-M8-4 Filter King 10.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 64 x .75″ – FK10.5x64x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-39-5-x-75-fk25x39-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Y.avif?v=1767599964 Filter King 25×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 39.5 x .75″ – FK25x39.5x1A-M8 -4 Filter King 25×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 39.5 x .75″ – FK25x39.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-59-5-x-75-fk14-5-59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x59.5x1A-M8-4.png?v=1767600085 Filter King 14.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 59.5 x .75″ – FK14.5×59.5x1A-M8-4 Filter King 14.5×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 59.5 x .75″ – FK14.5×59.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-16-5-x-75-fk25-5-16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/48.1_208419a6-c953-4ab6-b121-f3297ce89ddd.jpg?v=1767600206 Filter King 25.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 16.5 x .75″ – FK25.5×16.5x1A-M8-4 Filter King 25.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 16.5 x .75″ – FK25.5×16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-25-x-75-fk18-5x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Z_92402fcf-e1c5-4a9c-bfac-8b6b7555e468.jpg?v=1767600566 Filter King 18.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25 x .75″ – FK18.5x25x1A-M8 -4 Filter King 18.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25 x .75″ – FK18.5x25x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-7-5-x-75-fk14x7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x7.5x1A-M8-4.jpg?v=1767600809 Filter King 14×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 7.5 x .75″ – FK14x7.5x1A-M8-4 Filter King 14×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 7.5 x .75″ – FK14x7.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-17-x-75-fk18-5x17x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/49.1_a9a5bde1-cbb5-4586-9c1d-8fd6a8dfb431.jpg?v=1767600870 Filter King 18.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17 x .75″ – FK18.5x17x1A-M8-4 Filter King 18.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17 x .75″ – FK18.5x17x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-47-x-75-fk25-5x47x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_9ab31ca2-73fb-4620-9c79-e8b7093650ee.jpg?v=1767600990 Filter King 25.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 47 x .75″ – FK25.5x47x1A-M8 -4 Filter King 25.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 47 x .75″ – FK25.5x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-36-5-x-75-fk17x36-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x36.5x1A-M8-4.jpg?v=1767601050 Filter King 17×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 36.5 x .75″ – FK17x36.5x1A-M8 -4 Filter King 17×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 36.5 x .75″ – FK17x36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-26-x-75-fk24x26x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_5344d1ac-3aad-4fe8-8485-87c82621820b.jpg?v=1767601172 Filter King 24x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26 x .75″ – FK24x26x1A-M8 -4 Filter King 24x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26 x .75″ – FK24x26x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-13-x-75-fk18x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x13x1A-M8-4.jpg?v=1767601231 Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75″ – FK18x13x1A-M8 -4 Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75″ – FK18x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-32-x-75-fk15x32x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x32x1A-M8-4.jpg?v=1767601292 Filter King 15x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 32 x .75″ – FK15x32x1A-M8-4 Filter King 15x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 32 x .75″ – FK15x32x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-22-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_2e33343a-2717-4e86-9e32-9411c012ef2f.jpg?v=1767601535 Filter King 22.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 22 x .75″ – Filter King 22.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 22 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-54-5-x-75-fk30x54-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/50.1_a8aef398-d3a2-4090-abd0-7f1318548328.jpg?v=1767601592 Filter King 30×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 54.5 x .75″ – FK30x54.5x1A-M8-4 Filter King 30×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 54.5 x .75″ – FK30x54.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-53-x-75-fk14x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x53x1A-M8-4.avif?v=1767604913 Filter King 14x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 53 x .75″ – FK14x53x1A-M8-4 Filter King 14x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 53 x .75″ – FK14x53x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-25-x-75-fk21x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/51.1_43964473-61c1-4550-8757-36ed47d9db2e.jpg?v=1767601780 Filter King 21x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 25 x .75″ – FK21x25x1A-M8-4 Filter King 21x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 25 x .75″ – FK21x25x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-16-5-x-75-fk27x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_d8a7e1c8-8542-41c5-8bf1-43ca483dc787.avif?v=1767601836 Filter King 27×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 16.5 x .75″ – FK27x16.5x1A-M8 -4 Filter King 27×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 16.5 x .75″ – FK27x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-24-x-75-fk20-5x24x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x24x1A-M8-4.jpg?v=1767601959 Filter King 20.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 24 x .75″ – FK20.5x24x1A-M8 -4 Filter King 20.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 24 x .75″ – FK20.5x24x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-16-5-x-75-fk27x16-5x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_3c7bf9b3-2ebe-42ee-8929-002fb76f4982.avif?v=1767602079 Filter King 27×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 16.5 x .75″ – FK27x16.5x1A-M8 -4 Filter King 27×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 16.5 x .75″ – FK27x16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-41-5-x-75-fk28-5-41-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/52.1_e7280863-5cc4-4097-941e-75881b468351.jpg?v=1767602194 Filter King 28.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 41.5 x .75″ – FK28.5×41.5x1A-M8-4 Filter King 28.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 41.5 x .75″ – FK28.5×41.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-20-x-75-fk24x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x20x1A-M8-4.jpg?v=1767602320 Filter King 24x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20 x .75″ – FK24x20x1A-M8 -4 Filter King 24x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20 x .75″ – FK24x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-5-5-x-75-fk17-5-5-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_b0124ce1-fce2-439d-8289-a474290edc6b.jpg?v=1767602377 Filter King 17.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 5.5 x .75″ – FK17.5×5.5x1A-M8 -4 Filter King 17.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 5.5 x .75″ – FK17.5×5.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-23-5-1-air-filter-4-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x23.5x1A-M8-4.jpg?v=1767603046 Filter King 23.5×23.5×1 Air Filter | 4-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 -4 Filter King 23.5×23.5×1 Air Filter | 4-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 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-47-5-x-75-fk23-5-47-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_3f589c29-d7be-478e-9aa8-68ec405f06a7.jpg?v=1767603101 Filter King 23.5×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47.5 x .75″ – FK23.5×47.5x1A-M8 -4 Filter King 23.5×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47.5 x .75″ – FK23.5×47.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-24-x-75-fk23x24x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/53.1_3a7bf6de-e5b3-44e5-9d51-39a4ae1c4648.jpg?v=1767603167 Filter King 23x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 24 x .75″ – FK23x24x1A-M8-4 Filter King 23x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 24 x .75″ – FK23x24x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-56-x-75-fk24x56x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/54.1.avif?v=1767603281 Filter King 24x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 56 x .75″ – FK24x56x1A-M8-4 Filter King 24x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 56 x .75″ – FK24x56x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-9-x-75-fk24x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_34b1950d-d173-4f01-8125-d82c8ade9376.avif?v=1767603345 Filter King 24x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 9 x .75″ – FK24x9x1A-M8 -4 Filter King 24x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 9 x .75″ – FK24x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-40-5-x-75-fk9-5-40-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x40.5x1A-M8-4.jpg?v=1767603463 Filter King 9.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 40.5 x .75″ – FK9.5×40.5x1A-M8-4 Filter King 9.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 40.5 x .75″ – FK9.5×40.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-52-5-x-75-fk24x52-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_d9913152-b2ad-4444-8f16-54d6fcc50e72.avif?v=1767603524 Filter King 24×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 52.5 x .75″ – FK24x52.5x1A-M8 -4 Filter King 24×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 52.5 x .75″ – FK24x52.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-10-x-75-fk16-5x10x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x10x1A-M8-4.jpg?v=1767604253 Filter King 16.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 10 x .75″ – FK16.5x10x1A-M8-4 Filter King 16.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 10 x .75″ – FK16.5x10x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-25-x-75-fk29x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x25x1A-M8-4.jpg?v=1767604311 Filter King 29x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 25 x .75″ – FK29x25x1A-M8 -4 Filter King 29x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 25 x .75″ – FK29x25x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-54-5-x-75-fk29-5-54-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/55.1_4f58b9d7-0fc4-42a2-b26d-ea7ca29ef826.jpg?v=1767604492 Filter King 29.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 54.5 x .75″ – FK29.5×54.5x1A-M8-4 Filter King 29.5×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 54.5 x .75″ – FK29.5×54.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-56-5-x-75-fk14-5-56-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x56.5x1A-M8-4.jpg?v=1767604615 Filter King 14.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 56.5 x .75″ – FK14.5×56.5x1A-M8-4 Filter King 14.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 56.5 x .75″ – FK14.5×56.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-15-x-75-fk8-5x15x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x15x1A-M8-4.avif?v=1767604977 Filter King 8.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 15 x .75″ – FK8.5x15x1A-M8-4 Filter King 8.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 15 x .75″ – FK8.5x15x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-63-5-x-75-fk6-5-63-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x63.5x1A-M8-4.jpg?v=1767605460 Filter King 6.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 63.5 x .75″ – FK6.5×63.5x1A-M8-4 Filter King 6.5×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 63.5 x .75″ – FK6.5×63.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-50-5-x-75-fk19-5-50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x50.5x1A-M8-4.avif?v=1767605702 Filter King 19.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 50.5 x .75″ – FK19.5×50.5x1A-M8 -4 Filter King 19.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 50.5 x .75″ – FK19.5×50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-8-5-x-75-fk18x8-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x8.5x1A-M8-4.jpg?v=1767608882 Filter King 18×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 8.5 x .75″ – FK18x8.5x1A-M8 -4 Filter King 18×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 8.5 x .75″ – FK18x8.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-30-5-x-75-fk6-5-30-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x63.5x1A-M8-4_710d8712-2f92-4765-8907-e7c06c91ea2e.jpg?v=1767608894 Filter King 6.5×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 30.5 x .75″ – FK6.5×30.5x1A-M8-4 Filter King 6.5×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 30.5 x .75″ – FK6.5×30.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-27-5-x-75-fk19-5-27-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/56.1_63466bd9-2668-4e0d-9143-5d048bce3f5c.jpg?v=1767605760 Filter King 19.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 27.5 x .75″ – FK19.5×27.5x1A-M8-4 Filter King 19.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 27.5 x .75″ – FK19.5×27.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-53-x-75-fk8-5x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x53x1A-M8-4.jpg?v=1767609056 Filter King 8.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 53 x .75″ – FK8.5x53x1A-M8-4 Filter King 8.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 53 x .75″ – FK8.5x53x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-16-x-75-fk23-5x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/57.1_b1458070-a600-4339-bbd3-58d2797a4871.jpg?v=1767605883 Filter King 23.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16 x .75″ – FK23.5x16x1A-M8-4 Filter King 23.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16 x .75″ – FK23.5x16x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-39-5-x-75-fk4-5-39-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x39.5x1A-M8-4.avif?v=1767606074 Filter King 4.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 39.5 x .75″ – FK4.5×39.5x1A-M8-4 Filter King 4.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 39.5 x .75″ – FK4.5×39.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-53-5-x-75-fk30x53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x53.5x1A-M8-4.avif?v=1767606135 Filter King 30×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 53.5 x .75″ – FK30x53.5x1A-M8 -4 Filter King 30×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 53.5 x .75″ – FK30x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-53-5-x-75-fk24x53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_df37a614-679c-4258-9752-41afc528afc4.avif?v=1767606315 Filter King 24×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53.5 x .75″ – FK24x53.5x1A-M8 -4 Filter King 24×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53.5 x .75″ – FK24x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-33-5-x-75-fk27x33-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/58.1_b977170f-175f-40f7-98c1-74277ccb539d.jpg?v=1767606374 Filter King 27×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 33.5 x .75″ – FK27x33.5x1A-M8-4 Filter King 27×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 33.5 x .75″ – FK27x33.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-41-5-x-75-fk10x41-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x41.5x1A-M8-4.jpg?v=1767606494 Filter King 10×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 41.5 x .75″ – FK10x41.5x1A-M8-4 Filter King 10×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 41.5 x .75″ – FK10x41.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-8-5-x-75-fk17x8-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/60.1_b3b3fcd5-f537-4a51-8c35-9ed9957acfd4.jpg?v=1767606615 Filter King 17×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8.5 x .75″ – FK17x8.5x1A-M8-4 Filter King 17×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8.5 x .75″ – FK17x8.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-29-x-75-fk28-5x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_d3ea30d7-305a-4b89-b8ec-d703c5dfa915.jpg?v=1767606675 Filter King 28.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 29 x .75″ – FK28.5x29x1A-M8 -4 Filter King 28.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 29 x .75″ – FK28.5x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-18-x-75-fk4x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x18x1A-M8-4.jpg?v=1767607340 Filter King 4x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 18 x .75″ – FK4x18x1A-M8-4 Filter King 4x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 18 x .75″ – FK4x18x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-21-5-x-75-fk26x21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_c568893f-40d6-4723-9b39-8984e99c0a83.avif?v=1767610627 Filter King 26×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 21.5 x .75″ – FK26x21.5x1A-M8 -4 Filter King 26×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 21.5 x .75″ – FK26x21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-16-5-x-75-fk21-5-16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x16.5x1A-M8-4.jpg?v=1767607398 Filter King 21.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16.5 x .75″ – FK21.5×16.5x1A-M8 -4 Filter King 21.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16.5 x .75″ – FK21.5×16.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-11-x-75-fk10-5x11x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x11x1A-M8-4.jpg?v=1767607459 Filter King 10.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 11 x .75″ – FK10.5x11x1A-M8-4 Filter King 10.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 11 x .75″ – FK10.5x11x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-37-x-75-fk21x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/62.1_d5e81439-4160-4ec1-81a7-fce08c497658.jpg?v=1767607520 Filter King 21x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 37 x .75″ – FK21x37x1A-M8-4 Filter King 21x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 37 x .75″ – FK21x37x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-22-5-x-75-fk21x22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_d3572b1c-e8ac-47aa-9e79-dd246f090f0d.jpg?v=1767607632 Filter King 21×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22.5 x .75″ – FK21x22.5x1A-M8 -4 Filter King 21×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22.5 x .75″ – FK21x22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-11-x-75-fk28x11x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_92ee7002-f781-4b6c-ab6d-da9047949ccb.avif?v=1767607641 Filter King 28x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 11 x .75″ – FK28x11x1A-M8 -4 Filter King 28x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 11 x .75″ – FK28x11x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-43-x-75-fk20-5x43x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x43x1A-M8-4.png?v=1767607716 Filter King 20.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 43 x .75″ – FK20.5x43x1A-M8 -4 Filter King 20.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 43 x .75″ – FK20.5x43x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-8-5-x-75-fk21-5-8-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_cd5c4aa2-464e-4bd0-908e-af256616582d.avif?v=1767607858 Filter King 21.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 8.5 x .75″ – FK21.5×8.5x1A-M8 -4 Filter King 21.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 8.5 x .75″ – FK21.5×8.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-50-x-75-fk26-5x50x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x50x1A-M8-4.avif?v=1767607921 Filter King 26.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 50 x .75″ – FK26.5x50x1A-M8 -4 Filter King 26.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 50 x .75″ – FK26.5x50x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-29-x-75-fk20x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/63.1_80cf95a8-b858-4000-8929-c162ba2ca293.jpg?v=1767608046 Filter King 20x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 29 x .75″ – FK20x29x1A-M8-4 Filter King 20x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 29 x .75″ – FK20x29x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-13-x-75-fk26-5x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_877a9a24-7311-4698-a7d7-93f9ad051805.avif?v=1767608157 Filter King 26.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13 x .75″ – FK26.5x13x1A-M8 -4 Filter King 26.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13 x .75″ – FK26.5x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-28-5-x-75-fk27x28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_aef2accb-c5ce-44d0-9c8f-9b968b6761b3.jpg?v=1767608166 Filter King 27×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 28.5 x .75″ – FK27x28.5x1A-M8 -4 Filter King 27×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 28.5 x .75″ – FK27x28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-52-x-75-fk27x52x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/64.1_bb04c05a-c9eb-4303-b3a4-840dac403d3d.jpg?v=1767608229 Filter King 27x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 52 x .75″ – FK27x52x1A-M8-4 Filter King 27x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 52 x .75″ – FK27x52x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-35-x-75-fk24x35x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x35x1A-M8-4.jpg?v=1767608413 Filter King 24x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 35 x .75″ – FK24x35x1A-M8 -4 Filter King 24x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 35 x .75″ – FK24x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-31-x-75-fk24-5x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_9198c8c0-3ef2-432c-82e6-6d563e26bf25.jpg?v=1767608521 Filter King 24.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31 x .75″ – FK24.5x31x1A-M8 -4 Filter King 24.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31 x .75″ – FK24.5x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-57-5-x-75-fk19x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/65.1.avif?v=1767608534 Filter King 19×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 57.5 x .75″ – FK19x57.5x1A-M8-4 Filter King 19×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 57.5 x .75″ – FK19x57.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-49-x-75-fk28-5x49x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x49x1A-M8-4.jpg?v=1767608592 Filter King 28.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 49 x .75″ – FK28.5x49x1A-M8 -4 Filter King 28.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 49 x .75″ – FK28.5x49x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-50-5-x-75-fk21-5-50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_32b41ad7-3de7-4a31-9d1b-b53edaf9a471.jpg?v=1767608703 Filter King 21.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 50.5 x .75″ – FK21.5×50.5x1A-M8 -4 Filter King 21.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 50.5 x .75″ – FK21.5×50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-30-x-75-fk25-5x30x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_8f533e22-c79a-41fc-8199-6cdd65c90f66.jpg?v=1767609044 Filter King 25.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 30 x .75″ – FK25.5x30x1A-M8 -4 Filter King 25.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 30 x .75″ – FK25.5x30x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-48-x-75-fk9x48x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x48x1A-M8-4_4.jpg?v=1767609107 Filter King 9x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 48 x .75″ – FK9x48x1A-M8-4 Filter King 9x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 48 x .75″ – FK9x48x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-58-5-x-75-fk10x58-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x58.5x1A-M8-4.jpg?v=1767609194 Filter King 10×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 58.5 x .75″ – FK10x58.5x1A-M8-4 Filter King 10×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 58.5 x .75″ – FK10x58.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-35-5-x-75-fk22-5-35-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x35.5x1A-M8-4.jpg?v=1767609229 Filter King 22.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 35.5 x .75″ – FK22.5×35.5x1A-M8 -4 Filter King 22.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 35.5 x .75″ – FK22.5×35.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-6-5-x-75-fk25x6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_12d34b28-e9c4-4e2d-91c5-03cdc84d3e62.avif?v=1767609302 Filter King 25×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 6.5 x .75″ – FK25x6.5x1A-M8 -4 Filter King 25×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 6.5 x .75″ – FK25x6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-26-x-75-fk28x26x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/66.1.avif?v=1767609433 Filter King 28x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 26 x .75″ – FK28x26x1A-M8-4 Filter King 28x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 26 x .75″ – FK28x26x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-66-5-x-75-fk29x66-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_a6036b36-8c66-4c04-9d5f-cc64fc6353a1.jpg?v=1767609479 Filter King 29×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 66.5 x .75″ – FK29x66.5x1A-M8 -4 Filter King 29×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 66.5 x .75″ – FK29x66.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-15-5-x-75-fk5-5-15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x15.5x1A-M8-4.jpg?v=1767609573 Filter King 5.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 15.5 x .75″ – FK5.5×15.5x1A-M8-4 Filter King 5.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 15.5 x .75″ – FK5.5×15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-56-5-x-75-fk24-5-56-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_9dbf68c2-5b97-4902-9133-4a386030dea6.jpg?v=1767609659 Filter King 24.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 56.5 x .75″ – FK24.5×56.5x1A-M8 -4 Filter King 24.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 56.5 x .75″ – FK24.5×56.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-14-x-75-fk13-5x14x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x14x1A-M8-4.jpg?v=1767609752 Filter King 13.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 14 x .75″ – FK13.5x14x1A-M8-4 Filter King 13.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 14 x .75″ – FK13.5x14x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-62-5-x-75-fk14x62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x62.5x1A-M8-4.jpg?v=1767609898 Filter King 14×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 62.5 x .75″ – FK14x62.5x1A-M8-4 Filter King 14×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 62.5 x .75″ – FK14x62.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-27-x-75-fk24-5x27x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_5b4bb135-d0bf-4f1d-a509-85988c69a4ee.jpg?v=1767609931 Filter King 24.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27 x .75″ – FK24.5x27x1A-M8 -4 Filter King 24.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27 x .75″ – FK24.5x27x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-16-5-x-75-fk19x16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/67.1_8da67ff7-d77b-45f1-b116-4d7aaa0694dd.jpg?v=1767609951 Filter King 19×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 16.5 x .75″ – FK19x16.5x1A-M8-4 Filter King 19×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 16.5 x .75″ – FK19x16.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-50-5-x-75-fk5-5-50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x50.5x1A-M8-4.jpg?v=1767609973 Filter King 5.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 50.5 x .75″ – FK5.5×50.5x1A-M8-4 Filter King 5.5×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 50.5 x .75″ – FK5.5×50.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-37-x-75-fk29x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_79ed2276-71b8-48bd-879a-ab7f62730fb4.avif?v=1767610008 Filter King 29x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 37 x .75″ – FK29x37x1A-M8 -4 Filter King 29x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 37 x .75″ – FK29x37x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-7-5-x-75-fk25-5-7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_c1d438b6-f350-490d-b304-7d254dcf0afc.jpg?v=1767610049 Filter King 25.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 7.5 x .75″ – FK25.5×7.5x1A-M8 -4 Filter King 25.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 7.5 x .75″ – FK25.5×7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-6-5-x-75-fk8-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x6.5x1A-M8-4.jpg?v=1767610057 Filter King 8.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 6.5 x .75″ – FK8.5×6.5x1A-M8-4 Filter King 8.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 6.5 x .75″ – FK8.5×6.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-36-x-75-fk13x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x36x1A-M8-4.jpg?v=1767610139 Filter King 13x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 36 x .75″ – FK13x36x1A-M8-4 Filter King 13x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 36 x .75″ – FK13x36x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-57-5-x-75-fk18x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/PP_2052ce1b-94d7-4dac-be71-1baff87ac167.jpg?v=1767610571 Filter King 18×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 57.5 x .75″ – FK18x57.5x1A-M8 -4 Filter King 18×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 57.5 x .75″ – FK18x57.5x1A-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x34.5x1A-M8-4.jpg?v=1767610752 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-M8-4 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-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-31-5-x-75-fk28-5-31-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_4ff7e16d-6fac-4181-a9e3-cc83e82dfbc6.jpg?v=1767610993 Filter King 28.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 31.5 x .75″ – FK28.5×31.5x1A-M8 -4 Filter King 28.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 31.5 x .75″ – FK28.5×31.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-32-x-75-fk28x32x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_42ea1736-91c4-41d5-a342-8833f1d5e991.jpg?v=1767611182 Filter King 28x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 32 x .75″ – FK28x32x1A-M8 -4 Filter King 28x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 32 x .75″ – FK28x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-53-x-75-fk24x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/V_1c6824e8-2e0b-496a-8539-738bde8e8507.avif?v=1767611363 Filter King 24x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53 x .75″ – FK24x53x1A-M8 -4 Filter King 24x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53 x .75″ – FK24x53x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-57-5-x-75-fk29-5-57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/W_1af5f9b8-bf6e-4d24-b125-a635e381d491.jpg?v=1767611517 Filter King 29.5×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 57.5 x .75″ – FK29.5×57.5x1A-M8 -4 Filter King 29.5×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 57.5 x .75″ – FK29.5×57.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-31-5-x-75-fk27-5-31-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/X_d8c63368-f0ad-4e9e-9a6f-d9367c38e41e.png?v=1767611653 Filter King 27.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 31.5 x .75″ – FK27.5×31.5x1A-M8 -4 Filter King 27.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 31.5 x .75″ – FK27.5×31.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-18-x-75-fk29x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/68.1_a5c6bd0f-7179-48d4-9138-2a89219cb96a.jpg?v=1767611706 Filter King 29x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 18 x .75″ – FK29x18x1A-M8-4 Filter King 29x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 18 x .75″ – FK29x18x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-4-5-x-75-fk21-5-4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/69.1_a8a22f5d-b3d0-4fd9-9c6d-28e388f1e13e.jpg?v=1767612831 Filter King 21.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4.5 x .75″ – FK21.5×4.5x1A-M8-4 Filter King 21.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4.5 x .75″ – FK21.5×4.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-41-x-75-fk21-5x41x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Y_d236f0a0-bfd6-47da-a59e-01ac67309cab.jpg?v=1767612959 Filter King 21.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 41 x .75″ – FK21.5x41x1A-M8 -5 Filter King 21.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 41 x .75″ – FK21.5x41x1A-M8 -5 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-12-5-x-75-fk20-5-12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x12.5x1A-M8-4.jpg?v=1767611835 Filter King 20.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 12.5 x .75″ – FK20.5×12.5x1A-M8 -4 Filter King 20.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 12.5 x .75″ – FK20.5×12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-21-x-75-fk20-5x21x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/71.1_7e660dde-c5c6-4823-a7a5-d9119306d483.jpg?v=1767611951 Filter King 20.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21 x .75″ – FK20.5x21x1A-M8-4 Filter King 20.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21 x .75″ – FK20.5x21x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-35-x-75-fk27-5x35x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x35x1A-M8-4.jpg?v=1767612081 Filter King 27.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 35 x .75″ – FK27.5x35x1A-M8 -4 Filter King 27.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 35 x .75″ – FK27.5x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-42-x-75-fk24-5x42x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/73.1_fa39d594-8b48-42fd-8123-ba4acd6e3d76.avif?v=1767612229 Filter King 24.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 42 x .75″ – FK24.5x42x1A-M8-4 Filter King 24.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 42 x .75″ – FK24.5x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-41-5-x-75-fk26-5-41-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/74.1_32d05e9b-7720-493f-b681-0eb1e59e2e57.avif?v=1767612255 Filter King 26.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 41.5 x .75″ – FK26.5×41.5x1A-M8-4 Filter King 26.5×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 41.5 x .75″ – FK26.5×41.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-53-x-75-fk28x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x53x1A-M8-4.jpg?v=1767612388 Filter King 28x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 53 x .75″ – FK28x53x1A-M8 -4 Filter King 28x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 53 x .75″ – FK28x53x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-62-5-x-75-fk17x62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/77.1_9bf8b933-aa05-4150-9a95-0bdd7f983e53.jpg?v=1767612474 Filter King 17×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 62.5 x .75″ – FK17x62.5x1A-M8 -4 Filter King 17×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 62.5 x .75″ – FK17x62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-9-x-75-fk28x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x9x1A-M8-4.avif?v=1767612488 Filter King 28x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 9 x .75″ – FK28x9x1A-M8 -4 Filter King 28x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 9 x .75″ – FK28x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x64x1-air-filter-4-pack-merv-8-actual-size-23-x-64-x-75-fk23x64x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_98e79091-372b-4dec-a2f3-33b4d54e9e16.avif?v=1767612584 Filter King 23x64x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 64 x .75″ – FK23x64x1A-M8 -4 Filter King 23x64x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 64 x .75″ – FK23x64x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-61-5-x-75-fk25x61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_4ea424bb-654a-4129-9e2d-ad0b10301c5c.jpg?v=1767612631 Filter King 25×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 61.5 x .75″ – FK25x61.5x1A-M8 -4 Filter King 25×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 61.5 x .75″ – FK25x61.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-6-5-x-75-fk27-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_eb328d73-016f-44ec-9c3e-a856caa1990c.jpg?v=1767612715 Filter King 27.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 6.5 x .75″ – FK27.5×6.5x1A-M8 – 4 Filter King 27.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 6.5 x .75″ – FK27.5×6.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-4-5-x-75-fk17-5-4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x4.5x1A-M8-4.jpg?v=1767612729 Filter King 17.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 4.5 x .75″ – FK17.5×4.5x1A-M8 -4 Filter King 17.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 4.5 x .75″ – FK17.5×4.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-61-5-x-75-fk25-5-61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x61.5x1A-M8-4_1.jpg?v=1767612754 Filter King 25.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61.5 x .75″ – FK25.5×61.5x1A-M8 -4 Filter King 25.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61.5 x .75″ – FK25.5×61.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-35-x-75-fk20-5x35x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_258592ff-082d-4582-af8a-0a98597934b2.avif?v=1767612789 Filter King 20.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 35 x .75″ – FK20.5x35x1A-M8 – 4 Filter King 20.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 35 x .75″ – FK20.5x35x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-41-x-75-fk22-5x41x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_23b205ca-00f1-4b85-9be6-8ad1093f17e7.jpg?v=1767612977 Filter King 22.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 41 x .75″ – FK22.5x41x1A-M8 -4 Filter King 22.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 41 x .75″ – FK22.5x41x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-6-x-75-fk13x6x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x6x1A-M8-4.jpg?v=1767613018 Filter King 13x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 6 x .75″ – FK13x6x1A-M8-4 Filter King 13x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 6 x .75″ – FK13x6x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-48-x-75-fk12x48x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x48x1A-M8-4.jpg?v=1767613054 Filter King 12x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 48 x .75″ – FK12x48x1A-M8-4 Filter King 12x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 48 x .75″ – FK12x48x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-31-5-x-75-fk30x31-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_f6500619-98bd-457e-a3be-7ffcd9690e86.jpg?v=1767613062 Filter King 30×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 31.5 x .75″ – FK30x31.5x1A-M8 – 4 Filter King 30×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 31.5 x .75″ – FK30x31.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-43-5-x-75-fk23x43-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_f79f36fa-6565-4d96-b4fb-29c39004a844.avif?v=1767613148 Filter King 23×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 43.5 x .75″ – FK23x43.5x1A-M8 -4 Filter King 23×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 43.5 x .75″ – FK23x43.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-62-5-x-75-fk21-5-62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_a9f82cf5-53ee-49ff-a99c-723010416fed.jpg?v=1767613290 Filter King 21.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 62.5 x .75″ – FK21.5×62.5x1A-M8 -4 Filter King 21.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 62.5 x .75″ – FK21.5×62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-7-5-x-75-fk17-5-7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x7.5x1A-M8-4.jpg?v=1767613320 Filter King 17.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 7.5 x .75″ – FK17.5×7.5x1A-M8 -4 Filter King 17.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 7.5 x .75″ – FK17.5×7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-37-x-75-fk28-5x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x37x1A-M8-4.jpg?v=1767613358 Filter King 28.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 37 x .75″ – FK28.5x37x1A-M8 -4 Filter King 28.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 37 x .75″ – FK28.5x37x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-46-x-75-fk19-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x46x1A-M8-4.avif?v=1767613472 Filter King 19.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 46 x .75″ – FK19.5x46x1A-M8 -4 Filter King 19.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 46 x .75″ – FK19.5x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-56-x-75-fk22-5x56x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_b51eae18-2104-4196-b98c-7454593ddab2.avif?v=1767613534 Filter King 22.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 56 x .75″ – FK22.5x56x1A-M8 -4 Filter King 22.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 56 x .75″ – FK22.5x56x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-23-5-x-75-fk28-5-23-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_dfe4f32c-5331-4fd6-ac26-46757304ffa1.jpg?v=1767613689 Filter King 28.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 23.5 x .75″ – FK28.5×23.5x1A-M8 -4 Filter King 28.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 23.5 x .75″ – FK28.5×23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-29-x-75-fk19-5x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_f50007a7-c793-4d4b-8794-d0cd7e78110b.jpg?v=1767614187 Filter King 19.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 29 x .75″ – FK19.5x29x1A-M8 -4 Filter King 19.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 29 x .75″ – FK19.5x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-14-x-75-fk30x14x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x14x1A-M8-4.jpg?v=1767614286 Filter King 30x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 14 x .75″ – FK30x14x1A-M8 -4 Filter King 30x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 14 x .75″ – FK30x14x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-58-5-x-75-fk22x58-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_422f49cc-1c13-47e1-b16a-1e0a21740afc.avif?v=1767614773 Filter King 22×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 58.5 x .75″ – FK22x58.5x1A-M8 -4 Filter King 22×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 58.5 x .75″ – FK22x58.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-22-x-75-fk20-5x22x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_8ff6fb0e-f048-4acc-a81c-20dc57460b5e.jpg?v=1767615080 Filter King 20.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22 x .75″ – FK20.5x22x1A-M8 -4 Filter King 20.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22 x .75″ – FK20.5x22x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-6-5-x-75-fk22x6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x6.5x1A-M8-4.jpg?v=1767615433 Filter King 22×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 6.5 x .75″ – FK22x6.5x1A-M8 -4 Filter King 22×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 6.5 x .75″ – FK22x6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-40-x-75-fk22x40x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_32134f95-f984-4784-80c5-7a14b3a307d1.avif?v=1767615435 Filter King 22x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 40 x .75″ – FK22x40x1A-M8 – 4 Filter King 22x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 40 x .75″ – FK22x40x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-15-5-x-75-fk22x15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x15.5x1A-M8-4.jpg?v=1767615622 Filter King 22×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 15.5 x .75″ – FK22x15.5x1A-M8 -4 Filter King 22×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 15.5 x .75″ – FK22x15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-49-5-x-75-fk24-5-49-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_7381a28f-17e0-4957-8fa0-afd15e89526b.jpg?v=1767615826 Filter King 24.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49.5 x .75″ – FK24.5×49.5x1A-M8 -4 Filter King 24.5×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49.5 x .75″ – FK24.5×49.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-8-x-75-fk26x8x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_0ba3aa24-91ea-465e-9440-292cd0c1e23f.jpg?v=1767616199 Filter King 26x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 8 x .75″ – FK26x8x1A-M8 -4 Filter King 26x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 8 x .75″ – FK26x8x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-18-x-75-fk30-5x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B.png?v=1767616499 Filter King 30.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 18 x .75″ – FK30.5x18x1A-M8 -4 Filter King 30.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 18 x .75″ – FK30.5x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-44-x-75-fk20-5x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_ff1622db-74ce-4dcf-bfc3-465960465c95.avif?v=1767616743 Filter King 20.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 44 x .75″ – FK20.5x44x1A-M8 -4 Filter King 20.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 44 x .75″ – FK20.5x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-37-5-x-75-fk23x37-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x37.5x1A-M8-4.jpg?v=1767616870 Filter King 23×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37.5 x .75″ – FK23x37.5x1A-M8 -4 Filter King 23×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37.5 x .75″ – FK23x37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-36-x-75-fk25-5x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_5ecec2c9-e71e-4f63-9b95-253b2826dee0.jpg?v=1767617029 Filter King 25.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 36 x .75″ – FK25.5x36x1A-M8 -4 Filter King 25.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 36 x .75″ – FK25.5x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-7-x-75-fk20x7x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x7x1A-M8-4.avif?v=1767617125 Filter King 20x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7 x .75″ – FK20x7x1A-M8 -4 Filter King 20x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7 x .75″ – FK20x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-58-x-75-fk23-5x58x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_545b0249-ee46-4774-8f04-1fd30b55d118.jpg?v=1767617491 Filter King 23.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 58 x .75″ – FK23.5x58x1A-M8 -4 Filter King 23.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 58 x .75″ – FK23.5x58x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-7-x-75-fk18x7x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_e171b2f7-ab3e-4b9d-846f-d44ae0383cf4.jpg?v=1767617827 Filter King 18x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 7 x .75″ – FK18x7x1A-M8 -4 Filter King 18x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 7 x .75″ – FK18x7x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-4-x-75-fk19-5x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x4x1A-M8-4.jpg?v=1767617874 Filter King 19.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 4 x .75″ – FK19.5x4x1A-M8 -4 Filter King 19.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 4 x .75″ – FK19.5x4x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-28-5-x-75-fk20-5-28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_64653f41-469b-474e-9fcb-60e0e7531d11.jpg?v=1767618042 Filter King 20.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28.5 x .75″ – FK20.5×28.5x1A-M8 -4 Filter King 20.5×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28.5 x .75″ – FK20.5×28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-31-x-75-fk21-5x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x31x1A-M8-4.jpg?v=1767618429 Filter King 21.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 31 x .75″ – FK21.5x31x1A-M8 -4 Filter King 21.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 31 x .75″ – FK21.5x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-12-5-x-75-fk28-5-12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_2207f696-3d23-44d7-b992-27c14c5f96a7.jpg?v=1767618454 Filter King 28.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 12.5 x .75″ – FK28.5×12.5x1A-M8 -4 Filter King 28.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 12.5 x .75″ – FK28.5×12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-17-5-x-75-fk23-5-17-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x17.5x1A-M8-4.jpg?v=1767618517 Filter King 23.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 17.5 x .75″ – FK23.5×17.5x1A-M8 -4 Filter King 23.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 17.5 x .75″ – FK23.5×17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-25-5-x-75-fk21-5-25-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x25.5x1A-M8-4.avif?v=1767618711 Filter King 21.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 25.5 x .75″ – FK21.5×25.5x1A-M8 -4 Filter King 21.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 25.5 x .75″ – FK21.5×25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-29-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-29-5-x-75-fk23-5-29-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x29.5x1A-M8-4.jpg?v=1767618881 Filter King 23.5×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75″ – FK23.5×29.5x1A-M8 -4 Filter King 23.5×29.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75″ – FK23.5×29.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-56-x-75-fk26x56x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2656.webp?v=1767626687 Filter King 26x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 56 x .75″ – FK26x56x1A-M8 -4 Filter King 26x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 56 x .75″ – FK26x56x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-11-5-x-75-fk23x11-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_1f5c4e90-1b72-4e0b-b9fa-d83ada0f3c31.jpg?v=1767661975 Filter King 23×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 11.5 x .75″ – FK23x11.5x1A-M8 -4 Filter King 23×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 11.5 x .75″ – FK23x11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-30-x-75-fk18-5x30x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A2_acfa833b-21da-42a2-9820-99bcb26f348a.jpg?v=1767662300 Filter King 18.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 30 x .75″ – FK18.5x30x1A-M8 -4 Filter King 18.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 30 x .75″ – FK18.5x30x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-33-x-75-fk25x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_1e6f3cdc-ebf2-40dc-8b5b-2d64e7b36bc6.jpg?v=1767662491 Filter King 25x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 33 x .75″ – FK25x33x1A-M8 -4 Filter King 25x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 33 x .75″ – FK25x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-7-5-x-75-fk20-5-7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B1_02abdbeb-79c5-42f6-8d87-de74aa57bef0.jpg?v=1767662648 Filter King 20.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 7.5 x .75″ – FK20.5×7.5x1A-M8 -4 Filter King 20.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 7.5 x .75″ – FK20.5×7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-51-5-x-75-fk19-5-51-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_7630a188-b244-42a3-9e2a-b603fef7c0f1.jpg?v=1767662815 Filter King 19.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 51.5 x .75″ – FK19.5×51.5x1A-M8 -4 Filter King 19.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 51.5 x .75″ – FK19.5×51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-52-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/3052.jpg?v=1767666944 Filter King 30.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 52.5 x .75″ Filter King 30.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 52.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/285.jpg?v=1767667238 Filter King 28.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 5 x .75″ Filter King 28.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-14-5-x-75-fk21x14-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2114.avif?v=1767667414 Filter King 21×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 14.5 x .75″ – FK21x14.5x1A-M8 -4 Filter King 21×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 14.5 x .75″ – FK21x14.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-34-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2834.webp?v=1767667964 Filter King 28.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 34.5 x .75″ Filter King 28.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 34.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-43-x-75 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-21-53-5-1-air-filter-4-pack-merv-8-actual-size-21-x-53-5-x-75-fk21x53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2153.webp?v=1767669485 Filter King 21×53.5×1 Air Filter 4-PACK MERV 8 Actual Size 21 x 53.5 x .75″ – FK21x53.5x1A-M8 -4 Filter King 21×53.5×1 Air Filter 4-PACK MERV 8 Actual Size 21 x 53.5 x .75″ – FK21x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-61-5-x-75-fk23-5-61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2365.jpg?v=1767669605 Filter King 23.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 61.5 x .75″ – FK23.5×61.5x1A-M8 -4 Filter King 23.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 61.5 x .75″ – FK23.5×61.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-13-5-x-75-fk23x13-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/c_d164acd4-d336-4947-846c-19e04fc02430.avif?v=1767670601 Filter King 23×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13.5 x .75″ – FK23x13.5x1A-M8 -4 Filter King 23×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13.5 x .75″ – FK23x13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-58-5-1-air-filter-4-pack-merv-8-actual-size-17-5-x-58-5-x-75-fk17-5-58-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1758_5e39e2e5-6fc4-43e1-9791-adbe11199083.webp?v=1767670801 Filter King 17.5×58.5×1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 58.5 x .75″ – FK17.5×58.5x1A-M8 -4 Filter King 17.5×58.5×1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 58.5 x .75″ – FK17.5×58.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-13-x-75-fk19x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/86.1_1365c623-1fc6-4e48-ac70-dbc5f3120ea9.jpg?v=1767671257 Filter King 19x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 13 x .75″ – FK19x13x1A-M8-4 Filter King 19x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 13 x .75″ – FK19x13x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-49-5-x-75-fk27x49-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/a_aad17880-cd43-4a02-936b-7fd7239007e5.avif?v=1767671372 Filter King 27×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 49.5 x .75″ – FK27x49.5x1A-M8 -4 Filter King 27×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 49.5 x .75″ – FK27x49.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-19-x-75-fk4x19x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x19x1A-M8-4.jpg?v=1767671430 Filter King 4x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 19 x .75″ – FK4x19x1A-M8-4 Filter King 4x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 19 x .75″ – FK4x19x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-12-x-75-fk22-5x12x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/b_741e11ff-d98c-4759-acdd-fec514943e68.png?v=1767671595 Filter King 22.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12 x .75″ – FK22.5x12x1A-M8 -4 Filter King 22.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12 x .75″ – FK22.5x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-60-x-75-fk8-5x60x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x60x1A-M8-4.jpg?v=1767671775 Filter King 8.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 60 x .75″ – FK8.5x60x1A-M8-4 Filter King 8.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 60 x .75″ – FK8.5x60x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-15-x-75-fk19-5x15x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/d_74598054-a4d4-450e-9029-23815e5b11bc.avif?v=1767671989 Filter King 19.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15 x .75″ – FK19.5x15x1A-M8 -4 Filter King 19.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15 x .75″ – FK19.5x15x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-58-5-1-air-filter-4-pack-merv-8-actual-size-17-5-x-58-5-x-75-fk17-5-58-5x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1758_5a698bb2-f4dd-4bc5-91d2-0c8f78682492.webp?v=1767672064 Filter King 17.5×58.5×1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 58.5 x .75″ – FK17.5×58.5x1A-M8 -4 Filter King 17.5×58.5×1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 58.5 x .75″ – FK17.5×58.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-18-5-x-75-fk16x18-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x18.5x1A-M8-4.jpg?v=1767672139 Filter King 16×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18.5 x .75″ – FK16x18.5x1A-M8-4 Filter King 16×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18.5 x .75″ – FK16x18.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-15-x-75-fk17-5x15x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/e_bf23e57b-6953-489f-aabf-20845158c327.jpg?v=1767672320 Filter King 17.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15 x .75″ – FK17.5x15x1A-M8 -4 Filter King 17.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15 x .75″ – FK17.5x15x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-42-x-75-fk26x42x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2642.jpg?v=1767672463 Filter King 26x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 42 x .75″ – FK26x42x1A-M8 -4 Filter King 26x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 42 x .75″ – FK26x42x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-26-5-x-75-fk11x26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x26.5x1A-M8-4.jpg?v=1767672526 Filter King 11×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 26.5 x .75″ – FK11x26.5x1A-M8-4 Filter King 11×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 26.5 x .75″ – FK11x26.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-20-5-x-75-fk14-5-20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x20.5x1A-M8-4.jpg?v=1767672690 Filter King 14.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 20.5 x .75″ – FK14.5×20.5x1A-M8-4 Filter King 14.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 20.5 x .75″ – FK14.5×20.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-23-5-x-75-fk10x23-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x23.5x1A-M8-4.jpg?v=1767673534 Filter King 10×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 23.5 x .75″ – FK10x23.5x1A-M8-4 Filter King 10×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 23.5 x .75″ – FK10x23.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-23-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x23.5x1A-M8-4.avif?v=1767673701 Filter King 24×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23.5 x .75″ – Filter King 24×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23.5 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-20-5-x-75-fk19x20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x20.5x1A-M8-4.jpg?v=1767673856 Filter King 19×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 20.5 x .75″ – FK19x20.5x1A-M8 -4 Filter King 19×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 20.5 x .75″ – FK19x20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-56-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-56-5-x-75-fk18-5-56-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_28c187ca-539f-460d-b762-4d8c1bfe06e1.jpg?v=1767673985 Filter King 18.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 56.5 x .75″ – FK18.5×56.5x1A-M8 -4 Filter King 18.5×56.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 56.5 x .75″ – FK18.5×56.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-12-5-x-75-fk20x12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x12.5x1A-M8-4.jpg?v=1767673996 Filter King 20×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12.5 x .75″ – FK20x12.5x1A-M8 -4 Filter King 20×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12.5 x .75″ – FK20x12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-64-x-75-fk24-5x64x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2464.jpg?v=1767674118 Filter King 24.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 64 x .75″ – FK24.5x64x1A-M8 -4 Filter King 24.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 64 x .75″ – FK24.5x64x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-15-5-x-75-fk20-5-15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/89.1_4ea1aad8-368f-4355-9698-c4da67ab7072.jpg?v=1767674125 Filter King 20.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 15.5 x .75″ – FK20.5×15.5x1A-M8 -4 Filter King 20.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 15.5 x .75″ – FK20.5×15.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-60-5-x-75-fk13-5-60-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x60.5x1A-M8-4.jpg?v=1767674147 Filter King 13.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 60.5 x .75″ – FK13.5×60.5x1A-M8-4 Filter King 13.5×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 60.5 x .75″ – FK13.5×60.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-66-5-x-75-fk25-5-66-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_feb7c365-0d9a-48c3-9e69-34d9be620fc8.jpg?v=1767674378 Filter King 25.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 66.5 x .75″ – FK25.5×66.5x1A-M8 -4 Filter King 25.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 66.5 x .75″ – FK25.5×66.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-31-5-x-75-fk17-5-31-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x31.5x1A-M8-4.jpg?v=1767674458 Filter King 17.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31.5 x .75″ – FK17.5×31.5x1A-M8 -4 Filter King 17.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31.5 x .75″ – FK17.5×31.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-10-5-x-75-fk26-5-10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2610.webp?v=1767674641 Filter King 26.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 10.5 x .75″ – FK26.5×10.5x1A-M8 -4 Filter King 26.5×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 10.5 x .75″ – FK26.5×10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-10-x-75-fk29x10x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/92.1_ab14533b-5fd5-42e1-98a8-fdb80bef790e.jpg?v=1767674647 Filter King 29x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 10 x .75″ – FK29x10x1A-M8 -4 Filter King 29x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 10 x .75″ – FK29x10x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-4-5-x-75-fk24-5-4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_67ac67f4-859c-42eb-bf63-da6c85468c13.jpg?v=1767674657 Filter King 24.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 4.5 x .75″ – FK24.5×4.5x1A-M8 -4 Filter King 24.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 4.5 x .75″ – FK24.5×4.5x1A-M8 -4 WholesaleHVACDirect 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Actual Size: 26 x 7 x .75″ – FK26x7x1A-M8-4 Filter King 26x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 7 x .75″ – FK26x7x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-48-5-x-75-fk28-5-48-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_d43d30d6-bbe7-4beb-a562-971bf6fcf850.jpg?v=1767674989 Filter King 28.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 48.5 x .75″ – FK28.5×48.5x1A-M8 -4 Filter King 28.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 48.5 x .75″ – FK28.5×48.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-20-x-75-fk22-5x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/95.1_065568cc-ae9f-4c97-83fa-d81fac086f9e.jpg?v=1767675102 Filter King 22.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 20 x .75″ – FK22.5x20x1A-M8 -4 Filter King 22.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 20 x .75″ – FK22.5x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x61x1-air-filter-4-pack-merv-8-actual-size-23-x-61-x-75-fk23x61x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2361.webp?v=1767675236 Filter King 23x61x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 61 x .75″ – FK23x61x1A-M8 -4 Filter King 23x61x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 61 x .75″ – FK23x61x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-38-x-75-fk17x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x38x1A-M8-4.jpg?v=1767675245 Filter King 17x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38 x .75″ – FK17x38x1A-M8 -4 Filter King 17x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38 x .75″ – FK17x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-34-x-75-fk27x34x1a-m8 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/98.1.avif?v=1767675273 Filter King 27x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 34 x .75″ – FK27x34x1A-M8 Filter King 27x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 34 x .75″ – FK27x34x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-20-5-x-75-fk29-5-20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_f96c4b5a-082d-4f09-b152-9a3527d08fad.png?v=1767675304 Filter King 29.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 20.5 x .75″ – FK29.5×20.5x1A-M8 -4 Filter King 29.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 20.5 x .75″ – FK29.5×20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-4-x-75-fk17x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/99.1_ae1c8519-330f-4dfa-8da4-0aa826c82f16.jpg?v=1767675437 Filter King 17x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4 x .75″ – FK17x4x1A-M8 -4 Filter King 17x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4 x .75″ – FK17x4x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-22-5-x-75-fk21-5-22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/100.1_e074c50e-8261-4f7e-a3df-b97afd0aa0ed.jpg?v=1767675592 Filter King 21.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 22.5 x .75″ – FK21.5×22.5x1A-M8 -4 Filter King 21.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 22.5 x .75″ – FK21.5×22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-9-x-75-fk14x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x9x1A-M8-4.jpg?v=1767675657 Filter King 14x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 9 x .75″ – FK14x9x1A-M8-4 Filter King 14x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 9 x .75″ – FK14x9x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-43-x-75-fk21x43x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/KK_8b6a834a-ab5a-40fa-a246-0484cbf84565.jpg?v=1767675742 Filter King 21x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 43 x .75″ – FK21x43x1A-M8 -4 Filter King 21x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 43 x .75″ – FK21x43x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-35-5-x-75-fk20x35-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x35.5x1A-M8-4.jpg?v=1767675995 Filter King 20×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35.5 x .75″ – FK20x35.5x1A-M8 -4 Filter King 20×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35.5 x .75″ – FK20x35.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-29-x-75-fk20-5x29x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_b33b5e33-2322-4344-a700-809fd9b41dba.png?v=1767676234 Filter King 20.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29 x .75″ – FK20.5x29x1A-M8 -4 Filter King 20.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29 x .75″ – FK20.5x29x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-61-x-75-fk25-5x61x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x61x1A-M8-4.jpg?v=1767676672 Filter King 25.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61 x .75″ – FK25.5x61x1A-M8 -4 Filter King 25.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61 x .75″ – FK25.5x61x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-10-5-x-75-fk23x10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_473b8ad0-bec8-4c58-97ab-95a66b476959.avif?v=1767676776 Filter King 23×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10.5 x .75″ – FK23x10.5x1A-M8 -4 Filter King 23×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10.5 x .75″ – FK23x10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-38-x-75-fk25x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1.1_1c0bc71c-0bb9-42d5-ad5c-e27c87f49212.jpg?v=1767677642 Filter King 25x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38 x .75″ – FK25x38x1A-M8 -4 Filter King 25x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38 x .75″ – FK25x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-51-5-x-75-fk23x51-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_1806b870-06c0-43a3-8f09-2411e048029d.jpg?v=1767677694 Filter King 23×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 51.5 x .75″ – FK23x51.5x1A-M8 -4 Filter King 23×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 51.5 x .75″ – FK23x51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-9-x-75-fk29x12x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x12x1A-M8-4.jpg?v=1767677704 Filter King 29.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 9 x .75″ – FK29x12x1A-M8-4 Filter King 29.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 9 x .75″ – FK29x12x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-14-x-75-fk20-5x14x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2.1_95e80dff-56ba-4b2d-b4fa-4365c5fbabac.jpg?v=1767677799 Filter King 20.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 14 x .75″ – FK20.5x14x1A-M8 -4 Filter King 20.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 14 x .75″ – FK20.5x14x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-36-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-36-5-x-75-fk19x36-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_8c4d2056-7949-4b1e-9138-ad06e48d6d0e.avif?v=1767677979 Filter King 19×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36.5 x .75″ – FK19x36.5x1A-M8 -4 Filter King 19×36.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36.5 x .75″ – FK19x36.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-5-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-5-5-x-75-fk18-5-5-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/3.1.avif?v=1767678040 Filter King 18.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 5.5 x .75″ – FK18.5×5.5x1A-M8 -4 Filter King 18.5×5.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 5.5 x .75″ – FK18.5×5.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-9-x-75-fk29-5x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x9x1A-M8-4.jpg?v=1767678057 Filter King 29.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 9 x .75″ – FK29.5x9x1A-M8 -4 Filter King 29.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 9 x .75″ – FK29.5x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-14-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-14-5-x-75-fk27-5-14-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/4.1.avif?v=1767678223 Filter King 27.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 14.5 x .75″ – FK27.5×14.5x1A-M8 -4 Filter King 27.5×14.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 14.5 x .75″ – FK27.5×14.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-24-5-x-75-fk23x24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/5.1_9b6ee887-e96b-4f2b-9482-10557badce78.jpg?v=1767678352 Filter King 23×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 24.5 x .75″ – FK23x24.5x1A-M8 -4 Filter King 23×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 24.5 x .75″ – FK23x24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-22-x-75-fk26x22x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_c0de7076-27a8-43e2-97de-19e260cdad63.jpg?v=1767678370 Filter King 26x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 22 x .75″ – FK26x22x1A-M8 -4 Filter King 26x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 22 x .75″ – FK26x22x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-35-x-75-fk20x35x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x35x1A-M8-4-1.jpg?v=1767678377 Filter King 20x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35 x .75″ – FK20x35x1A-M8 -4 Filter King 20x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35 x .75″ – FK20x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-42-5-x-75-fk22-5-42-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/6.1_4706d15c-8686-49b5-ae7b-d57e8bb82def.jpg?v=1767678504 Filter King 22.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 42.5 x .75″ – FK22.5×42.5x1A-M8 -4 Filter King 22.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 42.5 x .75″ – FK22.5×42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-55-5-x-75-fk11x55-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x55.5x1A-M8-4.jpg?v=1767678534 Filter King 11×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 55.5 x .75″ – FK11x55.5x1A-M8–4 Filter King 11×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 55.5 x .75″ – FK11x55.5x1A-M8–4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-12-5-x-75-fk30-5-12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_0700fcf9-ce87-4f32-a4ed-dc3809403f61.jpg?v=1767678860 Filter King 30.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 12.5 x .75″ – FK30.5×12.5x1A-M8 -4 Filter King 30.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 12.5 x .75″ – FK30.5×12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-12-x-75-fk28-5x12x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x12x1A-M8-4.jpg?v=1767679033 Filter King 28.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 12 x .75″ – FK28.5x12x1A-M8 -4 Filter King 28.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 12 x .75″ – FK28.5x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-39-x-75-fk11-5x39x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x39x1A-M8-4.jpg?v=1767679097 Filter King 11.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 39 x .75″ – FK11.5x39x1A-M8-4 Filter King 11.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 39 x .75″ – FK11.5x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-31-x-75-fk28x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/U_0376917b-7b99-4ade-9cdb-e50a3efc2e0e.avif?v=1767679518 Filter King 28x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 31 x .75″ – FK28x31x1A-M8 -4 Filter King 28x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 31 x .75″ – FK28x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-28-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-28-5-x-75-fk26x28-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x28.5x1A-M8-4.jpg?v=1767679541 Filter King 26×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 28.5 x .75″ – FK26x28.5x1A-M8 -4 Filter King 26×28.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 28.5 x .75″ – FK26x28.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-53-5-x-75-fk17x53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_64db64e0-4076-4fb1-8d91-27044975f6f0.jpg?v=1767679880 Filter King 17×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 53.5 x .75″ – FK17x53.5x1A-M8 -4 Filter King 17×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 53.5 x .75″ – FK17x53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-10-x-75-fk23-5x10x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x10x1A-M8-4.jpg?v=1767680088 Filter King 23.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 10 x .75″ – FK23.5x10x1A-M8-4 Filter King 23.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 10 x .75″ – FK23.5x10x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-65-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-65-5-x-75-fk29x65-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_f68440f8-b358-4932-b571-6f5b9e882886.avif?v=1767680537 Filter King 29×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 65.5 x .75″ – FK29x65.5x1A-M8 -4 Filter King 29×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 65.5 x .75″ – FK29x65.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-34-5-x-75-fk18-5-34-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x34.5x1A-M8-4.jpg?v=1767680878 Filter King 18.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 34.5 x .75″ – FK18.5×34.5x1A-M8 -4 Filter King 18.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 34.5 x .75″ – FK18.5×34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-36-x-75-fk26-5x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_e54ee26b-0d4a-43e5-9b0f-df6ff9beae5d.png?v=1767680986 Filter King 26.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 36 x .75″ – FK26.5x36x1A-M8 -4 Filter King 26.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 36 x .75″ – FK26.5x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-37-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-37-5-x-75-fk28x37-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x37.5x1A-M8-4.jpg?v=1767681331 Filter King 28×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 37.5 x .75″ – FK28x37.5x1A-M8 -4 Filter King 28×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 37.5 x .75″ – FK28x37.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-6-x-75-fk28x6x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/DD_66994d13-eaab-47b2-b029-0c5e1b246410.webp?v=1767681342 Filter King 28x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 6 x .75″ – FK28x6x1A-M8 -4 Filter King 28x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 6 x .75″ – FK28x6x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-53-5-x-75-fk28-5-53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_8bf07e00-980e-4fcc-8c2b-7e9c0a3ae229.png?v=1767681714 Filter King 28.5×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 53.5 x .75″ – FK28.5×53.5x1A-M8 -4 Filter King 28.5×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 53.5 x .75″ – FK28.5×53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-17-5-x-75-fk21x17-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x17.5x1A-M8-4.jpg?v=1767682115 Filter King 21×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17.5 x .75″ – FK21x17.5x1A-M8 -4 Filter King 21×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17.5 x .75″ – FK21x17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-33-x-75-fk21-5x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_198f88e7-7bda-443d-8f87-242835d7cec5.jpg?v=1767682274 Filter King 21.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 33 x .75″ – FK21.5x33x1A-M8 -4 Filter King 21.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 33 x .75″ – FK21.5x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-46-x-75-fk17x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/7.1_05715840-3508-48de-a502-78539ddb30cd.jpg?v=1767683454 Filter King 17x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 46 x .75″ – FK17x46x1A-M8 -4 Filter King 17x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 46 x .75″ – FK17x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-15-x-75-fk18-5x15x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_292d16d6-611b-4fa3-af25-2de071fa7101.jpg?v=1767683536 Filter King 18.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15 x .75″ – FK18.5x15x1A-M8 -4 Filter King 18.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15 x .75″ – FK18.5x15x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-20-x-75-fk26x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x20x1A-M8-4.jpg?v=1767683640 Filter King 26x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 20 x .75″ – FK26x20x1A-M8 -4 Filter King 26x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 20 x .75″ – FK26x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-44-5-x-75-fk9-5-44-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x44.5x1A-M8-4_1.jpg?v=1767683818 Filter King 9.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 44.5 x .75″ – FK9.5×44.5x1A-M8-4 Filter King 9.5×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 44.5 x .75″ – FK9.5×44.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-53-x-75-fk12x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x53x1A-M8-4.jpg?v=1767684105 Filter King 12x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 53 x .75″ – FK12x53x1A-M8-4 Filter King 12x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 53 x .75″ – FK12x53x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-34-5-x-75-fk22-5-34-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x34.5x1A-M8-4.jpg?v=1767684323 Filter King 22.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 34.5 x .75″ – FK22.5×34.5x1A-M8 -4 Filter King 22.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 34.5 x .75″ – FK22.5×34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-54-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-54-5-x-75-fk12x54-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x54.5x1A-M8-4.jpg?v=1767684511 Filter King 12×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 54.5 x .75″ – FK12x54.5x1A-M8-4 Filter King 12×54.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 54.5 x .75″ – FK12x54.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-38-x-75-fk18x38x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x38x1A-M8-4.jpg?v=1767684518 Filter King 18x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 38 x .75″ – FK18x38x1A-M8 -4 Filter King 18x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 38 x .75″ – FK18x38x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-13-x-75-fk22x13x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x13x1A-M8-4.jpg?v=1767684667 Filter King 22x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13 x .75″ – FK22x13x1A-M8 -4 Filter King 22x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13 x .75″ – FK22x13x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13x24x0-5-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-24-x-0-5-fb13x24x0-5a-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X24X0.5A-4.jpg?v=1767684680 Filter King 13x24x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 24 x 0.5″ – FB13X24X0.5A -4 Filter King 13x24x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 24 x 0.5″ – FB13X24X0.5A -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-42-x-75-fk12x42x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x42x1A-M8-4.jpg?v=1767684920 Filter King 12x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 42 x .75″ – FK12x42x1A-M8-4 Filter King 12x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 42 x .75″ – FK12x42x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-50-5-x-75-fk20x50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x50.5x1A-M8-4.jpg?v=1767684993 Filter King 20×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 50.5 x .75″ – FK20x50.5x1A-M8 -4 Filter King 20×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 50.5 x .75″ – FK20x50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5x21x0-5-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-21-x-0-5-fb16-5x21x0-5a-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X24X0.5A-4_1.jpg?v=1767685067 Filter King 16.5x21x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21 x 0.5″ – FB16.5X21X0.5A -4 Filter King 16.5x21x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 21 x 0.5″ – FB16.5X21X0.5A -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-31-x-75-fk20x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x31x1A-M8-4.jpg?v=1767685214 Filter King 20x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 31 x .75″ – FK20x31x1A-M8 -4 Filter King 20x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 31 x .75″ – FK20x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-26-x-75-fk10-5x26x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x26x1A-M8-4.jpg?v=1767685231 Filter King 10.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 26 x .75″ – FK10.5x26x1A-M8-4 Filter King 10.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 26 x .75″ – FK10.5x26x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-24-5-x-75-fk22x24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x24.5x1A-M8-4.jpg?v=1767685459 Filter King 22×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 24.5 x .75″ – FK22x24.5x1A-M8 -4 Filter King 22×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 24.5 x .75″ – FK22x24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-5-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-27-5-x-75-fk13-5-27-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13.5x27.5x1A-M8-4.jpg?v=1767685475 Filter King 13.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 27.5 x .75″ – FK13.5×27.5x1A-M8 -4 Filter King 13.5×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 27.5 x .75″ – FK13.5×27.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-43-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-43-5-x-75-fk30-5-43-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x43.5x1A-M8-4.png?v=1767685793 Filter King 30.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 43.5 x .75″ – FK30.5×43.5x1A-M8 -4 Filter King 30.5×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 43.5 x .75″ – FK30.5×43.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-19-5-x-75-fk13x19-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x19.5x1A-M8-4.jpg?v=1767685841 Filter King 13×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 19.5 x .75″ – FK13x19.5x1A-M8 -4 Filter King 13×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 19.5 x .75″ – FK13x19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-14-x-75-fk9x14x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x14x1A-M8-4.jpg?v=1767685982 Filter King 9x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 14 x .75″ – FK9x14x1A-M8-4 Filter King 9x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 14 x .75″ – FK9x14x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-49-x-75-fk24x49x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x49x1A-M8-4.png?v=1767686012 Filter King 24x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 49 x .75″ – FK24x49x1A-M8 -4 Filter King 24x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 49 x .75″ – FK24x49x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-27-5-2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-27-5-x-1-75-fk23-5-27-5x2a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X24X0.5A-4_2.jpg?v=1767686236 Filter King 23.5×27.5×2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 27.5 x 1.75″ – FK23.5×27.5x2A-M8 -4 Filter King 23.5×27.5×2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 27.5 x 1.75″ – FK23.5×27.5x2A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-40-x-75-fk27-5x40x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x40x1A-M8-4.avif?v=1767686243 Filter King 27.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 40 x .75″ – FK27.5x40x1A-M8 -4 Filter King 27.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 40 x .75″ – FK27.5x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-39-x-75-fk6x39x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-27-5-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-58-5-x-75-fk27-5-58-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x58.5x1A-M8-4.png?v=1767686427 Filter King 27.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 58.5 x .75″ – FK27.5×58.5x1A-M8 -4 Filter King 27.5×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 58.5 x .75″ – FK27.5×58.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-39-x-75-fk6x39x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x39x1A-M8-4.jpg?v=1767686480 Filter King 6x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 39 x .75″ – FK6x39x1A-M8-4 Filter King 6x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 39 x .75″ – FK6x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-12-5-x-75-fk21x12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x12.5x1A-M8-4.jpg?v=1767686685 Filter King 21×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12.5 x .75″ – FK21x12.5x1A-M8 -4 Filter King 21×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12.5 x .75″ – FK21x12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-52-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-52-5-x-75-fk27-5-52-5x1a-m8 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2752.avif?v=1767686785 Filter King 27.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 52.5 x .75″ – FK27.5×52.5x1A-M8 Filter King 27.5×52.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 52.5 x .75″ – FK27.5×52.5x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-18-x-75-fk22x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x18x1A-M8-4.jpg?v=1767686831 Filter King 22x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 18 x .75″ – FK22x18x1A-M8 -4 Filter King 22x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 18 x .75″ – FK22x18x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-34-x-75-fk23x34x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/23341.jpg?v=1767687315 Filter King 23x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 34 x .75″ – FK23x34x1A-M8 -4 Filter King 23x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 34 x .75″ – FK23x34x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-60-5-x-75-fk24x60-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x60.5x1A-M8-4.jpg?v=1767687519 Filter King 24×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 60.5 x .75″ – FK24x60.5x1A-M8 -4 Filter King 24×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 60.5 x .75″ – FK24x60.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-39-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-39-5-x-75-fk23-5-39-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2339.jpg?v=1767687660 Filter King 23.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 39.5 x .75″ – FK23.5×39.5x1A-M8 -4 Filter King 23.5×39.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 39.5 x .75″ – FK23.5×39.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5-25-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-25-5-x-75-fk30-5-25-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x25.5x1A-M8-4.avif?v=1767687697 Filter King 30.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 25.5 x .75″ – FK30.5×25.5x1A-M8 -4 Filter King 30.5×25.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 25.5 x .75″ – FK30.5×25.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-29-5-1-air-filter-4-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x29.5x1A-M8-4.jpg?v=1767687907 Filter King 15.5×29.5×1 Air Filter | 4-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 -4 Filter King 15.5×29.5×1 Air Filter | 4-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 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-8-x-75-fk23x8x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x8x1A-M8-4.jpg?v=1767687917 Filter King 23x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | 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https://hvacdirect.store/products/filter-king-9-57-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-57-5-x-75-fk9x57-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x57.5x1A-M8-4.jpg?v=1767688138 Filter King 9×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 57.5 x .75″ – FK9x57.5x1A-M8-4 Filter King 9×57.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 57.5 x .75″ – FK9x57.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-21-5-x-75-fk24-5-21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x21.5x1A-M8-4.jpg?v=1767688214 Filter King 24.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN 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https://hvacdirect.store/products/filter-king-20-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-48-5-x-75-fk20x48-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x48.5x1A-M8-4.avif?v=1767688385 Filter King 20×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48.5 x .75″ – FK20x48.5x1A-M8 -4 Filter King 20×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48.5 x .75″ – FK20x48.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5-21-5-1-air-filter-4-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x21.5x1A-M8-4.jpg?v=1767688406 Filter King 15.5×21.5×1 Air Filter | 4-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 -4 Filter King 15.5×21.5×1 Air Filter | 4-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 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-29-5-1-air-filter-4-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x29.5x1A-M8-4.jpg?v=1767688563 Filter King 24.5×29.5×1 Air Filter | 4-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 -4 Filter King 24.5×29.5×1 Air Filter | 4-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 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-13-5-x-75-fk29-5-13-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x13.5x1A-M8-4.jpg?v=1767688739 Filter King 29.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 13.5 x .75″ – FK29.5×13.5x1A-M8 -4 Filter King 29.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 13.5 x .75″ – FK29.5×13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-23-x-75-fk29x23x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29x23x1A-M8-4.jpg?v=1767688768 Filter King 29x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 23 x .75″ – FK29x23x1A-M8-4 Filter King 29x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 23 x .75″ – FK29x23x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-24-x-75-fk7-5x24x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x24x1A-M8-4.jpg?v=1767688837 Filter King 7.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 24 x .75″ – FK7.5x24x1A-M8-4 Filter King 7.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 24 x .75″ – FK7.5x24x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-62-x-75-fk20x62x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x62x1A-M8-4.jpg?v=1767688925 Filter King 20x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 62 x .75″ – FK20x62x1A-M8 -4 Filter King 20x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 62 x .75″ – FK20x62x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-33-x-75-fk22x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2233.png?v=1767689382 Filter King 22x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 33 x .75″ – FK22x33x1A-M8 -4 Filter King 22x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 33 x .75″ – FK22x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-27-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2627.jpg?v=1767689536 Filter King 26.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 27 x .75″ Filter King 26.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 27 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-33-x-75-fk28-5x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_fbd95eee-f6a9-4064-a87a-620a56408521.jpg?v=1767689781 Filter King 28.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 33 x .75″ – FK28.5x33x1A-M8 -4 Filter King 28.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 33 x .75″ – FK28.5x33x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-20-x-75-fk23-5x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x20x1A-M8-4.jpg?v=1767689814 Filter King 23.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20 x .75″ – FK23.5x20x1A-M8 -4 Filter King 23.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20 x .75″ – FK23.5x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-22-5-x-75-fk28-5-22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2822.jpg?v=1767690071 Filter King 28.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 22.5 x .75″ – FK28.5×22.5x1A-M8 -4 Filter King 28.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 22.5 x .75″ – FK28.5×22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x24x0-5-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-23-5-x-0-5-fb14x24x0-5-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X24X0.5A-4_4.jpg?v=1767690247 Filter King 14x24x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x 0.5″ – FB14X24X0.5 -4 Filter King 14x24x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x 0.5″ – FB14X24X0.5 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-19-5-x-75-fk21-5-19-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_d4e5189f-0788-4388-9787-d0bc694fd818.jpg?v=1767690270 Filter King 21.5×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 19.5 x .75″ – FK21.5×19.5x1A-M8 -4 Filter King 21.5×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 19.5 x .75″ – FK21.5×19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-52-x-75-fk20-5x52x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x52x1A-M8-4-1.jpg?v=1767690283 Filter King 20.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 52 x .75″ – FK20.5x52x1A-M8 -4 Filter King 20.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 52 x .75″ – FK20.5x52x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-40-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x40.jpg?v=1767690297 Filter King 29x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 40 x .75″ Filter King 29x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 40 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-7-5-x-75-fk11-5-7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x7.5x1A-M8-4.jpg?v=1767690355 Filter King 11.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 7.5 x .75″ – FK11.5×7.5x1A-M8-4 Filter King 11.5×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 7.5 x .75″ – FK11.5×7.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x15x0-5-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-14-5-x-0-5-fb10x15x0-5-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X24X0.5A-4_5.jpg?v=1767690482 Filter King 10x15x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x 0.5″ – FB10X15X0.5 -4 Filter King 10x15x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 14.5 x 0.5″ – FB10X15X0.5 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-65-x-75-fk24-5x65x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x65x1A-M8-4-1.jpg?v=1767690646 Filter King 24.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 65 x .75″ – FK24.5x65x1A-M8 -4 Filter King 24.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 65 x .75″ – FK24.5x65x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-18-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-18-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2718.jpg?v=1767690699 Filter King 27.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 18.5 x .75″ Filter King 27.5×18.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 18.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-34-5-x-75-fk18x34-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_1bfe7e63-1cce-4fea-a1b9-0d40fa9c0eff.jpg?v=1767690722 Filter King 18×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34.5 x .75″ – FK18x34.5x1A-M8 -4 Filter King 18×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34.5 x .75″ – FK18x34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-8-5-x-75-fk15x8-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x8.5x1A-M8-4.jpg?v=1767691159 Filter King 15×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 8.5 x .75″ – FK15x8.5x1A-M8-4 Filter King 15×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 8.5 x .75″ – FK15x8.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-x-75-fk20-5x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x20x1A-M8-4.jpg?v=1767691179 Filter King 20.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20 x .75″ – FK20.5x20x1A-M8-4 Filter King 20.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20 x .75″ – FK20.5x20x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-61-5-x-75-fk28-5-61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/DD_0a82ff14-9552-4aeb-878a-a25c7a6fb9a8.png?v=1767691188 Filter King 28.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 61.5 x .75″ – FK28.5×61.5x1A-M8-4 Filter King 28.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 61.5 x .75″ – FK28.5×61.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-8-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2085.jpg?v=1767691281 Filter King 20×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8.5 x .75″ Filter King 20×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-27-5-x-75-fk16x28x1-m8-4 2026-07-21T15:46:38-04:00 daily https://hvacdirect.store/products/filter-king-16x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-27-5-x-75-fk16x28x1-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x28x1-M8-4_1.jpg?v=1767691726 Filter King 16x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 27.5 x .75″ – FK16x28x1-M8 -4 Filter King 16x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 27.5 x .75″ – FK16x28x1-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-18-5-x-75-fk15x19x1-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x19x1-M8-4.jpg?v=1767692056 Filter King 15x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 18.5 x .75″ – FK15x19x1-M8 -4 Filter King 15x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 18.5 x .75″ – FK15x19x1-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-61-5-x-75-fk4-5-61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x61.5x1A-M8-4.jpg?v=1767692255 Filter King 4.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 61.5 x .75″ – FK4.5×61.5x1A-M8 -4 Filter King 4.5×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 61.5 x .75″ – FK4.5×61.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-16-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2116.jpg?v=1767692612 Filter King 21×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16.5 x .75″ Filter King 21×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10x10x4-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-9-5-x-3-75-fb10x10x4-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB10X10X4-4.jpg?v=1767692656 Filter King 10x10x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x 3.75″ – FB10X10X4 -4 Filter King 10x10x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x 3.75″ – FB10X10X4 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-x-75-fk20-5x20x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x20x1A-M8-4_71e66eda-3f92-4102-99c4-9592ebfffafd.jpg?v=1767692731 Filter King 20.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20 x .75″ – FK20.5x20x1A-M8-4 Filter King 20.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20 x .75″ – FK20.5x20x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-16-x-75-fk18-5x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_fee65dfe-6252-41df-b754-0302e253d2e6.avif?v=1767692742 Filter King 18.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 16 x .75″ – FK18.5x16x1A-M8 -4 Filter King 18.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 16 x .75″ – FK18.5x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-23-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2723.jpg?v=1767692925 Filter King 27.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 23.5 x .75″ Filter King 27.5×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 23.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-48-5-x-75-fk8-5-48-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x48.5x1A-M8-4.jpg?v=1767693011 Filter King 8.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 48.5 x .75″ – FK8.5×48.5x1A-M8-4 Filter King 8.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 48.5 x .75″ – FK8.5×48.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-31-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-31-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/29x31.webp?v=1767693146 Filter King 29.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 31.5 x .75″ Filter King 29.5×31.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 31.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-46-x-75-fk17-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_83d13f8e-2e70-4736-a7dc-6d426213d010.avif?v=1767693175 Filter King 17.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46 x .75″ – FK17.5x46x1A-M8 -4 Filter King 17.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46 x .75″ – FK17.5x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-44-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-44-5-x-75-fk28x44-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x44.5x1A-M8-4.jpg?v=1767693206 Filter King 28×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 44.5 x .75″ – FK28x44.5x1A-M8 -4 Filter King 28×44.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 44.5 x .75″ – FK28x44.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-24-5-x-75-fk26x24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x24.5x1A-M8-4.webp?v=1767693276 Filter King 26×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 24.5 x .75″ – FK26x24.5x1A-M8 -4 Filter King 26×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 24.5 x .75″ – FK26x24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-x-75-fk23-5x24x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_3a16fe69-fdcb-44de-baf1-f228d0316cb5.jpg?v=1767693692 Filter King 23.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24 x .75″ – FK23.5x24x1A-M8 -4 Filter King 23.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24 x .75″ – FK23.5x24x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-31-x-75-fk19x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x31x1A-M8-4.jpg?v=1767693702 Filter King 19x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 31 x .75″ – FK19x31x1A-M8 -4 Filter King 19x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 31 x .75″ – FK19x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-41-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-41-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/1841.jpg?v=1767693912 Filter King 18×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 41.5 x .75″ Filter King 18×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 41.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-6-x-75-fk19x6x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x6x1A-M8-4.avif?v=1767693944 Filter King 19x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6 x .75″ – FK19x6x1A-M8 -4 Filter King 19x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6 x .75″ – FK19x6x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-58-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-58-5-x-75-fk15x58-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x58.5x1A-M8-4.png?v=1767694010 Filter King 15×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 58.5 x .75″ – FK15x58.5x1A-M8-4 Filter King 15×58.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 58.5 x .75″ – FK15x58.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-48-x-75-fk26-5x48x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_632082e0-eaa4-4e8a-99a4-3f1bb9447b06.avif?v=1767694048 Filter King 26.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 48 x .75″ – FK26.5x48x1A-M8 -4 Filter King 26.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 48 x .75″ – FK26.5x48x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-7-5-x-75-fk26x7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x7.5x1A-M8-4.jpg?v=1767694197 Filter King 26×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 7.5 x .75″ – FK26x7.5x1A-M8 -4 Filter King 26×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 7.5 x .75″ – FK26x7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-65-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-65-5-x-75-fk27x65-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27x65.5x1A-M8-4.avif?v=1767694338 Filter King 27×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 65.5 x .75″ – FK27x65.5x1A-M8 -4 Filter King 27×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 65.5 x .75″ – FK27x65.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-4-5-x-75-fk7-5-4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x4.5x1A-M8-4.jpg?v=1767694348 Filter King 7.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 4.5 x .75″ – FK7.5×4.5x1A-M8 -4 Filter King 7.5×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 4.5 x .75″ – FK7.5×4.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-45-5-x-75-fk28-5-45-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_77edd6e4-cc4b-46d0-b5f6-c9f2743cbc4a.png?v=1767694563 Filter King 28.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 45.5 x .75″ – FK28.5×45.5x1A-M8 -4 Filter King 28.5×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 45.5 x .75″ – FK28.5×45.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-20-5-x-75-fk17-5-20-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x20.5x1A-M8-4.jpg?v=1767694573 Filter King 17.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75″ – FK17.5×20.5x1A-M8 -4 Filter King 17.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75″ – FK17.5×20.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x59x1-air-filter-4-pack-merv-8-actual-size-22-x-59-x-75-fk22x59x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2259.webp?v=1767694586 Filter King 22x59x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 59 x .75″ – FK22x59x1A-M8 -4 Filter King 22x59x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 59 x .75″ – FK22x59x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-10-5-x-75-fk13x10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x10.5x1A-M8-4.jpg?v=1767694623 Filter King 13×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 10.5 x .75″ – FK13x10.5x1A-M8 -4 Filter King 13×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 10.5 x .75″ – FK13x10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-17-x-75-fk27-5x17x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x17x1A-M8-4.jpg?v=1767694656 Filter King 27.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 17 x .75″ – FK27.5x17x1A-M8 -4 Filter King 27.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 17 x .75″ – FK27.5x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-28-x-75-fk20-5x28x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x28x1A-M8-4.jpg?v=1767694932 Filter King 20.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28 x .75″ – FK20.5x28x1A-M8 -4 Filter King 20.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28 x .75″ – FK20.5x28x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-51-5-x-75-fk13x51-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x51.5x1A-M8-4.jpg?v=1767694961 Filter King 13×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 51.5 x .75″ – FK13x51.5x1A-M8 -4 Filter King 13×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 51.5 x .75″ – FK13x51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-27-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-27-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x27.webp?v=1767695042 Filter King 22×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 27.5 x .75″ Filter King 22×27.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 27.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-40-x-75-fk17x40x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x40x1A-M8-4.jpg?v=1767695102 Filter King 17x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 40 x .75″ – FK17x40x1A-M8 -4 Filter King 17x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 40 x .75″ – FK17x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-9-x-75-fk23-5x9x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_8d5b8e83-7439-45ca-9a40-1b60fc2b63d2.jpg?v=1767695119 Filter King 23.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9 x .75″ – FK23.5x9x1A-M8 -4 Filter King 23.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9 x .75″ – FK23.5x9x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-34-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x34.webp?v=1767695476 Filter King 21×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 34.5 x .75″ Filter King 21×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 34.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-19-5-x-75-fk17x19-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_af47ca88-314f-4faf-a5cb-e525d3183ecc.avif?v=1767695834 Filter King 17×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 19.5 x .75″ – FK17x19.5x1A-M8 -4 Filter King 17×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 19.5 x .75″ – FK17x19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-48-x-75-fk20x48x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x48x1A-M8-4.jpg?v=1767695893 Filter King 20x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48 x .75″ – FK20x48x1A-M8 -4 Filter King 20x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48 x .75″ – FK20x48x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-61-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-61-5-x-75-fk27x61-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_28ec19f9-cfaf-409b-9856-248471af7045.jpg?v=1767696431 Filter King 27×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 61.5 x .75″ – FK27x61.5x1A-M8 -4 Filter King 27×61.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 61.5 x .75″ – FK27x61.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-26-5-x-75-fk18-5-26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x26.5x1A-M8-4.avif?v=1767696441 Filter King 18.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 26.5 x .75″ – FK18.5×26.5x1A-M8 -4 Filter King 18.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 26.5 x .75″ – FK18.5×26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-60-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/17x60.webp?v=1767696557 Filter King 17×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 60.5 x .75″ Filter King 17×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 60.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-66-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/24x66.jpg?v=1767696809 Filter King 24.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66 x .75″ Filter King 24.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-59-5-x-75-fk20x59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x59.5x1A-M8-4.avif?v=1767696929 Filter King 20×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 59.5 x .75″ – FK20x59.5x1A-M8 -4 Filter King 20×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 59.5 x .75″ – FK20x59.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-40-x-75-fk28x40x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_c2d0a151-67a8-4c51-9815-7fb43456a303.png?v=1767696944 Filter King 28x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 40 x .75″ – FK28x40x1A-M8 -4 Filter King 28x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 40 x .75″ – FK28x40x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-15-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x15.5x1A-M8-4.jpg?v=1767697021 Filter King 9×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 15.5 x .75″ – Filter King 9×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 15.5 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-32-x-75-fk24x32x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x32x1A-M8-4.jpg?v=1767697035 Filter King 24x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 32 x .75″ – FK24x32x1A-M8 -4 Filter King 24x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 32 x .75″ – FK24x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-19-5-x-75-fk24x19-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x19.5x1A-M8-4.jpg?v=1767697389 Filter King 24×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19.5 x .75″ – FK24x19.5x1A-M8 -4 Filter King 24×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19.5 x .75″ – FK24x19.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-24-x-75-fk4x24x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x24x1A-M8-4.jpg?v=1767697399 Filter King 4x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 24 x .75″ – FK4x24x1A-M8 -4 Filter King 4x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 24 x .75″ – FK4x24x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-51-x-75-fk20x51x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_00ea4a3d-a801-4bf4-9f43-e3d1424dee0e.webp?v=1767697562 Filter King 20x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51 x .75″ – FK20x51x1A-M8 -4 Filter King 20x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51 x .75″ – FK20x51x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-36-x-75-fk17-5x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x36x1A-M8-4.jpg?v=1767697621 Filter King 17.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 36 x .75″ – FK17.5x36x1A-M8 -4 Filter King 17.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 36 x .75″ – FK17.5x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-5-x-75-fk21x5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x5x1A-M8-4.jpg?v=1767697769 Filter King 21x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 5 x .75″ – FK21x5x1A-M8 -4 Filter King 21x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 5 x .75″ – FK21x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-x-50-x-75-fk11x50x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11x50x1A-M8-4.jpg?v=1767697779 Filter King 11x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 50 x .75″ – FK11x50x1A-M8 -4 Filter King 11x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 50 x .75″ – FK11x50x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-30-x-75-fk27-5x30x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK27.5x30x1A-M8-4.jpg?v=1767698499 Filter King 27.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 30 x .75″ – FK27.5x30x1A-M8 -4 Filter King 27.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 30 x .75″ – FK27.5x30x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-35-x-75-fk15-5x35x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x35x1A-M8-4.jpg?v=1767698525 Filter King 15.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 35 x .75″ – FK15.5x35x1A-M8 -4 Filter King 15.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 35 x .75″ – FK15.5x35x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-5-66-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-5-x-66-5-x-75-fk28-5-66-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28.5x12x1A-M8-4_f8d9c956-8d76-44ef-b48a-b23aef1b0dc4.jpg?v=1767698560 Filter King 28.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 66.5 x .75″ – FK28.5×66.5x1A-M8 -4 Filter King 28.5×66.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28.5 x 66.5 x .75″ – FK28.5×66.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-5-53-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-5-x-53-5-x-75-fk10-5-53-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10.5x53.5x1A-M8-4.jpg?v=1767699101 Filter King 10.5×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 53.5 x .75″ – FK10.5×53.5x1A-M8 -4 Filter King 10.5×53.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10.5 x 53.5 x .75″ – FK10.5×53.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-4-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-4-5-x-75-fk17x4-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x4.5x1A-M8-4.png?v=1767699192 Filter King 17×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4.5 x .75″ – FK17x4.5x1A-M8 -4 Filter King 17×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4.5 x .75″ – FK17x4.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-60-x-75-fk7x60x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x60x1A-M8-4.jpg?v=1767699725 Filter King 7x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 60 x .75″ – FK7x60x1A-M8 -4 Filter King 7x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 60 x .75″ – FK7x60x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-4-x-75-fk25x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25x4x1A-M8-4.avif?v=1767699765 Filter King 25x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 4 x .75″ – FK25x4x1A-M8 -4 Filter King 25x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 4 x .75″ – FK25x4x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-7-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-7-5-x-75-fk24x7-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24x7.5x1A-M8-4_1.jpg?v=1767699835 Filter King 24×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7.5 x .75″ – FK24x7.5x1A-M8 -4 Filter King 24×7.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7.5 x .75″ – FK24x7.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-4-x-75-fk18x4x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x4x1A-M8-4.jpg?v=1767700227 Filter King 18x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4 x .75″ – FK18x4x1A-M8 -4 Filter King 18x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4 x .75″ – FK18x4x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-22-5-1-air-filter-4-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-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x22.5x1A-M8-4.jpg?v=1767700499 Filter King 20.5×22.5×1 Air Filter | 4-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 – 4 Filter King 20.5×22.5×1 Air Filter | 4-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 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-52-x-75-fk26-5x52x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x52x1A-M8-4.png?v=1767701044 Filter King 26.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 52 x .75″ – FK26.5x52x1A-M8 – 4 Filter King 26.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 52 x .75″ – FK26.5x52x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-26-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x26.webp?v=1767714896 Filter King 28×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 26.5 x .75″ Filter King 28×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 26.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-16-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/21x16.jpg?v=1767715041 Filter King 21.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16 x .75″ Filter King 21.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-48-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x48.webp?v=1767715181 Filter King 27x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 48 x .75″ Filter King 27x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 48 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-23-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/28x23.jpg?v=1767715709 Filter King 28×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 23.5 x .75″ Filter King 28×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 23.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-55-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-55-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/27x55.webp?v=1767716001 Filter King 27×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 55.5 x .75″ Filter King 27×55.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated 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Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 45 x .75″ – FK19x45x1A-M8 -4 Filter King 19x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 45 x .75″ – FK19x45x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-21-5-x-75-fk6-5-21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x21.5x1A-M8-4.jpg?v=1767757285 Filter King 6.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 21.5 x .75″ – FK6.5×21.5x1A-M8 -4 Filter King 6.5×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 21.5 x .75″ – FK6.5×21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-6-5-x-75-fk26-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x6.5x1A-M8-4.jpg?v=1767757342 Filter King 26.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 6.5 x .75″ – FK26.5×6.5x1A-M8-4 Filter King 26.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 6.5 x .75″ – FK26.5×6.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-51-x-75-fk20x51x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_aea44fa2-0909-4800-b84e-7652fc6fbcc5.webp?v=1767757389 Filter King 20x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51 x .75″ – FK20x51x1A-M8 -4 Filter King 20x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51 x .75″ – FK20x51x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-5-x-44-x-75-fk4-5x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4.5x44x1A-M8-4.avif?v=1767757455 Filter King 4.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 44 x .75″ – FK4.5x44x1A-M8 -4 Filter King 4.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4.5 x 44 x .75″ – FK4.5x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-5-34-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-34-5-x-75-fk17-5-34-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17.5x34.5x1A-M8-4.jpg?v=1767757565 Filter King 17.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34.5 x .75″ – FK17.5×34.5x1A-M8 -4 Filter King 17.5×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34.5 x .75″ – FK17.5×34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-48-5-x-75-fk27-5-48-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_c5087fc3-bddb-4c84-8783-0418c685ef11.avif?v=1767757613 Filter King 27.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 48.5 x .75″ – FK27.5×48.5x1A-M8 -4 Filter King 27.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 48.5 x .75″ – FK27.5×48.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-51-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-51-5-x-75-fk5-5-51-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x51.5x1A-M8-4.jpg?v=1767757637 Filter King 5.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 51.5 x .75″ – FK5.5×51.5x1A-M8 -4 Filter King 5.5×51.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 51.5 x .75″ – FK5.5×51.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-66-x-75-fk18-5x66x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB13X24X0.5A-4_9.jpg?v=1767757714 Filter King 18.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 66 x .75″ – FK18.5x66x1A-M8 -4 Filter King 18.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 66 x .75″ – FK18.5x66x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-x-43-x-75-fk8x43x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8x43x1A-M8-4.jpg?v=1767757831 Filter King 8x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 43 x .75″ – FK8x43x1A-M8 -4 Filter King 8x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 43 x .75″ – FK8x43x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-5-48-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-5-x-48-5-x-75-fk27-5-48-5x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_de83843e-c516-4210-94d0-e8e0e03c0809.avif?v=1767757842 Filter King 27.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 48.5 x .75″ – FK27.5×48.5x1A-M8 -4 Filter King 27.5×48.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27.5 x 48.5 x .75″ – FK27.5×48.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-41-x-75-fk22x41x1a-m8 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x41x1A-M8.jpg?v=1767757885 Filter King 22x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 41 x .75″ – FK22x41x1A-M8 Filter King 22x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 41 x .75″ – FK22x41x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-40-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-40-5-x-75-fk18-5-40-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/D_19c3e81f-9f97-4df1-9f6a-418cc8cd2320.jpg?v=1767758066 Filter King 18.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 40.5 x .75″ – FK18.5×40.5x1A-M8 +-4 Filter King 18.5×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 40.5 x .75″ – FK18.5×40.5x1A-M8 +-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-46-x-75-fk22x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x46x1A-M8-4.jpg?v=1767758075 Filter King 22x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46 x .75″ – FK22x46x1A-M8 -4 Filter King 22x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46 x .75″ – FK22x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-49-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-49-5-x-75-fk9x49-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x49.5x1A-M8-4.jpg?v=1767758198 Filter King 9×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 49.5 x .75″ – FK9x49.5x1A-M8 -4 Filter King 9×49.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 49.5 x .75″ – FK9x49.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-36-x-75-fk19x36x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x36x1A-M8-4.jpg?v=1767758363 Filter King 19x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36 x .75″ – FK19x36x1A-M8 -4 Filter King 19x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36 x .75″ – FK19x36x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-24-5-x-75-fk16x24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x24.5x1A-M8-4.jpg?v=1767758716 Filter King 16×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 24.5 x .75″ – FK16x24.5x1A-M8 -4 Filter King 16×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 24.5 x .75″ – FK16x24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-20-x-75-fk22x20x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x20x1A-M8-4.jpg?v=1767758977 Filter King 22x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 20 x .75″ – FK22x20x1A-M8 -4 Filter King 22x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 20 x .75″ – FK22x20x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-44-x-75-fk16x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x44x1A-M8-4.jpg?v=1767759077 Filter King 16x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 44 x .75″ – FK16x44x1A-M8 -4 Filter King 16x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 44 x .75″ – FK16x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-32-x-75-fk19-5x32x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x32x1A-M8-4.jpg?v=1767759315 Filter King 19.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 32 x .75″ – FK19.5x32x1A-M8 -4 Filter King 19.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 32 x .75″ – FK19.5x32x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5-12-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-12-5-x-75-fk22-5-12-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x12.5x1A-M8-4.jpg?v=1767759485 Filter King 22.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12.5 x .75″ – FK22.5×12.5x1A-M8 -4 Filter King 22.5×12.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12.5 x .75″ – FK22.5×12.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-5-5-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-11-5-x-75-fk5-5-11-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK5.5x11.5x1A-M8-4.jpg?v=1767759717 Filter King 5.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 11.5 x .75″ – FK5.5×11.5x1A-M8 -4 Filter King 5.5×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 11.5 x .75″ – FK5.5×11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-22-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/22x22.jpg?v=1767759963 Filter King 22×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22.5 x .75″ Filter King 22×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-12-x-75-fk20x12x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2012.avif?v=1767760130 Filter King 20x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12 x .75″ – FK20x12x1A-M8 -4 Filter King 20x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12 x .75″ – FK20x12x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-50-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x50x1A-M8-4.jpg?v=1767760171 Filter King 12.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 50 x .75″ – Filter King 12.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 50 x .75″ – WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-59-x-75-fk17x59x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_2fec2325-9a07-40df-93f7-acbcd79e5b65.png?v=1767760483 Filter King 17x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59 x .75″ – FK17x59x1A-M8 -4 Filter King 17x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59 x .75″ – FK17x59x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-19-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/19x19_9c0c470f-bd65-4c5d-9b7b-28d3929ccfae.jpg?v=1767760683 Filter King 19×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 19.5 x .75″ Filter King 19×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 19.5 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-5-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-5-x-64-5-x-75-fk14-5-64-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14.5x64.5x1A-M8-4.jpg?v=1767760730 Filter King 14.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 64.5 x .75″ – FK14.5×64.5x1A-M8-4 Filter King 14.5×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14.5 x 64.5 x .75″ – FK14.5×64.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-51-x-75-fk21x51x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_5a30b6de-7efc-4bd9-88bc-9be6f433fa18.avif?v=1767760935 Filter King 21x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 51 x .75″ – FK21x51x1A-M8 -4 Filter King 21x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 51 x .75″ – FK21x51x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-4-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-4-x-10-5-x-75-fk4x10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK4x10.5x1A-M8-4.jpg?v=1767761082 Filter King 4×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 10.5 x .75″ – FK4x10.5x1A-M8-4 Filter King 4×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 10.5 x .75″ – FK4x10.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-23-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-23-5-x-75-fk26x23-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_89a875cc-7c5e-4f6b-a8ec-4111cbdf36d3.jpg?v=1767761240 Filter King 26×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 23.5 x .75″ – FK26x23.5x1A-M8 -4 Filter King 26×23.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 23.5 x .75″ – FK26x23.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-59-5-x-75-fk17x59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK17x59.5x1A-M8-4-1.png?v=1767761405 Filter King 17×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59.5 x .75″ – FK17x59.5x1A-M8 – 4 Filter King 17×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59.5 x .75″ – FK17x59.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-11-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-11-5-x-75-fk22x11-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_e5655325-6b1b-4030-b3ff-c720a654831d.jpg?v=1767761652 Filter King 22×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11.5 x .75″ – FK22x11.5x1A-M8 -4 Filter King 22×11.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11.5 x .75″ – FK22x11.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-53-x-75-fk21-5x53x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x53x1A-M8-4-1.jpg?v=1767761949 Filter King 21.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 53 x .75″ – FK21.5x53x1A-M8 – 4 Filter King 21.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 53 x .75″ – FK21.5x53x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-13-x-75-fk29-5x13x1a-m8 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x13x1A-M8.jpg?v=1767762121 Filter King 29.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 13 x .75″ – FK29.5x13x1A-M8 Filter King 29.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 13 x .75″ – FK29.5x13x1A-M8 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-47-x-75-fk21-5x47x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/I_d9aa6dd3-78ef-4502-b0ca-b9fe08541b61.jpg?v=1767762245 Filter King 21.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 47 x .75″ – FK21.5x47x1A-M8 -4 Filter King 21.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 47 x .75″ – FK21.5x47x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-8-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-8-5-x-75-fk23-5-8-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x8.5x1A-M8-4.avif?v=1767762253 Filter King 23.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8.5 x .75″ – FK23.5×8.5x1A-M8 -4 Filter King 23.5×8.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8.5 x .75″ – FK23.5×8.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-33-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-33-5-x-75-fk23-5-33-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23.5x33.5x1A-M8-4.avif?v=1767762401 Filter King 23.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 33.5 x .75″ – FK23.5×33.5x1A-M8 -4 Filter King 23.5×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 33.5 x .75″ – FK23.5×33.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-19-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-19-5-x-75-fk7x19-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x19.5x1A-M8-4.jpg?v=1767762502 Filter King 7×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 19.5 x .75″ – FK7x19.5x1A-M8-4 Filter King 7×19.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 19.5 x .75″ – FK7x19.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-57-x-75-fk30-5x57x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x57x1A-M8-4-1.jpg?v=1767762516 Filter King 30.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 57 x .75″ – FK30.5x57x1A-M8 – 4 Filter King 30.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 57 x .75″ – FK30.5x57x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-46-x-75-fk24-5x46x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x46x1A-M8-4.avif?v=1767762578 Filter King 24.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 46 x .75″ – FK24.5x46x1A-M8 -4 Filter King 24.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 46 x .75″ – FK24.5x46x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-21-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-21-5-x-75-fk18x21-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_0124fb4e-60e3-458c-9d30-fd5ca902a503.jpg?v=1767762657 Filter King 18×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 21.5 x .75″ – FK18x21.5x1A-M8 -4 Filter King 18×21.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 21.5 x .75″ – FK18x21.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-8-x-75-fk16x8x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x8x1A-M8-4.jpg?v=1767762666 Filter King 16x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8 x .75″ – FK16x8x1A-M8-4 Filter King 16x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8 x .75″ – FK16x8x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-45-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2454.png?v=1767762701 Filter King 24.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 45 x .75″ Filter King 24.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 45 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-62-5-x-75-fk19x62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x62.5x1A-M8-4.avif?v=1767762713 Filter King 19×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 62.5 x .75″ – FK19x62.5x1A-M8 -4 Filter King 19×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 62.5 x .75″ – FK19x62.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12-5-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-5-x-46-5-x-75-fk12-5-46-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12.5x46.5x1A-M8-4.jpg?v=1767762842 Filter King 12.5×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 46.5 x .75″ – FK12.5×46.5x1A-M8-4 Filter King 12.5×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 46.5 x .75″ – FK12.5×46.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-66-x-75-fk30-5x66x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30.5x66x1A-M8-4.jpg?v=1767762880 Filter King 30.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 66 x .75″ – FK30.5x66x1A-M8-4 Filter King 30.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 66 x .75″ – FK30.5x66x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-42-5-x-75-fk24x42-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_13ad9fc3-97d8-4377-a956-92a51f278b72.avif?v=1767762960 Filter King 24×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42.5 x .75″ – FK24x42.5x1A-M8 -4 Filter King 24×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42.5 x .75″ – FK24x42.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-13-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-x-38-5-x-75-fk13x38-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK13x38.5x1A-M8-4.jpg?v=1767763018 Filter King 13×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 38.5 x .75″ – FK13x38.5x1A-M8-4 Filter King 13×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 38.5 x .75″ – FK13x38.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-35-5-x-75-fk26-5-35-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x35.5x1A-M8-4.avif?v=1767763053 Filter King 26.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 35.5 x .75″ – FK26.5×35.5x1A-M8 -4 Filter King 26.5×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 35.5 x .75″ – FK26.5×35.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-42-5-x-75-fk20x42-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x42.5x1A-M8-4-1.jpg?v=1767763062 Filter King 20×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 42.5 x .75″ – FK20x42.5x1A-M8 – 4 Filter King 20×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 42.5 x .75″ – FK20x42.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-x-55-x-75-fk6x55x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6x55x1A-M8-4.jpg?v=1767763156 Filter King 6x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 55 x .75″ – FK6x55x1A-M8-4 Filter King 6x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 55 x .75″ – FK6x55x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-63-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-63-5-x-75-fk22x63-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2263.jpg?v=1767763248 Filter King 22×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 63.5 x .75″ – FK22x63.5x1A-M8 -4 Filter King 22×63.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 63.5 x .75″ – FK22x63.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-50-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-50-5-x-75-fk19x50-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x50.5x1A-M8-4.jpg?v=1767763264 Filter King 19×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50.5 x .75″ – FK19x50.5x1A-M8 -4 Filter King 19×50.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50.5 x .75″ – FK19x50.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-31-x-75-fk17x31x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/L_fa7b28b3-d2af-4dfd-bcff-2192f39b25fd.jpg?v=1767763329 Filter King 17x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 31 x .75″ – FK17x31x1A-M8 -4 Filter King 17x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 31 x .75″ – FK17x31x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-65-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-x-65-5-x-75-fk7x65-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7x65.5x1A-M8-4.jpg?v=1767763389 Filter King 7×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 65.5 x .75″ – FK7x65.5x1A-M8-4 Filter King 7×65.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 65.5 x .75″ – FK7x65.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-49-x-75-fk18x49x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18x49x1A-M8-4.jpg?v=1767763399 Filter King 18x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 49 x .75″ – FK18x49x1A-M8 -4 Filter King 18x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 49 x .75″ – FK18x49x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-64-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-64-5-x-75-fk30x64-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK30x64.5x1A-M8-4-1.jpg?v=1767763408 Filter King 30×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 64.5 x .75″ – FK30x64.5x1A-M8 – 4 Filter King 30×64.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 64.5 x .75″ – FK30x64.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-x-33-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2933.webp?v=1767763463 Filter King 29x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 33 x .75″ Filter King 29x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29 x 33 x .75″ WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-13-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-13-5-x-75-fk26-5-13-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26.5x13.5x1A-M8-4.avif?v=1767763615 Filter King 26.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13.5 x .75″ – FK26.5×13.5x1A-M8 -4 Filter King 26.5×13.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13.5 x .75″ – FK26.5×13.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-32-5-x-75-fk27x32-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2732.jpg?v=1767763688 Filter King 27×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 32.5 x .75″ – FK27x32.5x1A-M8 -4 Filter King 27×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 32.5 x .75″ – FK27x32.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-5-x-59-x-75-fk9-5x59x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9.5x59x1A-M8-4.jpg?v=1767763746 Filter King 9.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 59 x .75″ – FK9.5x59x1A-M8-4 Filter King 9.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 59 x .75″ – FK9.5x59x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-6-x-75-fk21-5x6x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21.5x6x1A-M8-4.png?v=1767763786 Filter King 21.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6 x .75″ – FK21.5x6x1A-M8-4 Filter King 21.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6 x .75″ – FK21.5x6x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-5-38-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-38-5-x-75-fk20-5-38-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20.5x38.5x1A-M8-4.avif?v=1767763932 Filter King 20.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 38.5 x .75″ – FK20.5×38.5x1A-M8-4 Filter King 20.5×38.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 38.5 x .75″ – FK20.5×38.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-9-5-x-75-fk21-5-9-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2195.jpg?v=1767764107 Filter King 21.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 9.5 x .75″ – FK21.5×9.5x1A-M8 -4 Filter King 21.5×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 9.5 x .75″ – FK21.5×9.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-9-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-9-5-x-75-fk21x9-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK21x9.5x1A-M8-4.avif?v=1767764113 Filter King 21×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9.5 x .75″ – FK21x9.5x1A-M8 -4 Filter King 21×9.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9.5 x .75″ – FK21x9.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-6-5-x-75-fk24x6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/M_bdabc05d-70ba-460b-9333-2c0d3f949555.jpg?v=1767764182 Filter King 24×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6.5 x .75″ – FK24x6.5x1A-M8 -4 Filter King 24×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6.5 x .75″ – FK24x6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-28-60-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-60-5-x-75-fk28x60-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK28x60.5x1A-M8-4.jpg?v=1767764293 Filter King 28×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 60.5 x .75″ – FK28x60.5x1A-M8-4 Filter King 28×60.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 60.5 x .75″ – FK28x60.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-5-32-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-32-5-x-75 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/2332.jpg?v=1767764433 Filter King 23.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 32.5 x .75 Filter King 23.5×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 32.5 x .75 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-21-5-24-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-24-5-x-75-fk21-5-24-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/N_8a709272-8e64-4160-a557-8d3cee14971b.jpg?v=1767764472 Filter King 21.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24.5 x .75″ – FK21.5×24.5x1A-M8 -4 Filter King 21.5×24.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24.5 x .75″ – FK21.5×24.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-39-x-75-fk19x39x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x39x1A-M8-4.png?v=1767764483 Filter King 19x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 39 x .75″ – FK19x39x1A-M8-4 Filter King 19x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 39 x .75″ – FK19x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-9x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-9-x-66-x-75-fk9x66x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK9x66x1A-M8-4.jpg?v=1767764609 Filter King 9x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 66 x .75″ – FK9x66x1A-M8-4 Filter King 9x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 66 x .75″ – FK9x66x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-44-x-75-fk25-5x44x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x44x1A-M8-4.jpg?v=1767764659 Filter King 25.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44 x .75″ – FK25.5x44x1A-M8 -4 Filter King 25.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44 x .75″ – FK25.5x44x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-63-x-75-fk27x63x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/O_76b622a7-ee91-4252-816c-7b553b5d4afc.jpg?v=1767764677 Filter King 27x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 63 x .75″ – FK27x63x1A-M8 -4 Filter King 27x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 63 x .75″ – FK27x63x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-22-5-x-75-fk29-5-22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK29.5x22.5x1A-M8-4.jpg?v=1767764830 Filter King 29.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 22.5 x .75″ – FK29.5×22.5x1A-M8 -4 Filter King 29.5×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 22.5 x .75″ – FK29.5×22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-17x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-16-x-75-fk17x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/P_82511185-eaad-4527-9265-46b3c7a9632f.avif?v=1767764894 Filter King 17x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16 x .75″ – FK17x16x1A-M8 -4 Filter King 17x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16 x .75″ – FK17x16x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-10-15-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-10-x-15-5-x-75-fk10x15-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK10x15.5x1A-M8-4.jpg?v=1767765038 Filter King 10×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 15.5 x .75″ – FK10x15.5x1A-M8-4 Filter King 10×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 15.5 x .75″ – FK10x15.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-x-22-5-x-75-fk26x22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK26x22.5x1A-M8-4.avif?v=1767765094 Filter King 26×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 22.5 x .75″ – FK26x22.5x1A-M8 -4 Filter King 26×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26 x 22.5 x .75″ – FK26x22.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-7-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-7-5-x-39-x-75-fk7-5x39x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK7.5x39x1A-M8-4.jpg?v=1767765196 Filter King 7.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 39 x .75″ – FK7.5x39x1A-M8-4 Filter King 7.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 39 x .75″ – FK7.5x39x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-66-x-75-fk8-5x66x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x66x1A-M8-4.jpg?v=1767765487 Filter King 8.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 66 x .75″ – FK8.5x66x1A-M8-4 Filter King 8.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 66 x .75″ – FK8.5x66x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-29-5-6-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-29-5-x-6-5-x-75-fk29-5-6-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_3b7e4d5f-73e3-4980-b83c-5ed3289e7598.jpg?v=1767765567 Filter King 29.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 6.5 x .75″ – FK29.5×6.5x1A-M8 -4 Filter King 29.5×6.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 29.5 x 6.5 x .75″ – FK29.5×6.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-6-5-x-16-x-75-fk6-5x16x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK6.5x16x1A-M8-4.jpg?v=1767765695 Filter King 6.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 16 x .75″ – FK6.5x16x1A-M8-4 Filter King 6.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6.5 x 16 x .75″ – FK6.5x16x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-45-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-45-5-x-75-fk16x45-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16x45.5x1A-M8-4.avif?v=1767765964 Filter King 16×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 45.5 x .75″ – FK16x45.5x1A-M8-4 Filter King 16×45.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 45.5 x .75″ – FK16x45.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-5-x-75-fk22x5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/A_9e6698bb-051f-47fb-82aa-bfc524de879c.jpg?v=1767766038 Filter King 22x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5 x .75″ – FK22x5x1A-M8 -4 Filter King 22x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5 x .75″ – FK22x5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5-17-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-17-5-x-75-fk18-5-17-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/B_219d5e62-2d48-4662-87eb-87db9da06a53.jpg?v=1767766466 Filter King 18.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17.5 x .75″ – FK18.5×17.5x1A-M8 -4 Filter King 18.5×17.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17.5 x .75″ – FK18.5×17.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-46-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-46-5-x-75-fk22x46-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/C_459ca824-1930-403d-a8ce-bf02414cc09f.avif?v=1767766709 Filter King 22×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46.5 x .75″ – FK22x46.5x1A-M8 -4 Filter King 22×46.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46.5 x .75″ – FK22x46.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-56-x-75-fk20x56x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/E_2e40a76d-10c3-4452-ad2c-659f7154b640.avif?v=1767767005 Filter King 20x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 56 x .75″ – FK20x56x1A-M8 -4 Filter King 20x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 56 x .75″ – FK20x56x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-17-x-75-fk19-5x17x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x17x1A-M8-4.jpg?v=1767767049 Filter King 19.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17 x .75″ – FK19.5x17x1A-M8 -4 Filter King 19.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17 x .75″ – FK19.5x17x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-33-x-75-fk15-5x33x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x33x1A-M8-4.jpg?v=1767767079 Filter King 15.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 33 x .75″ – FK15.5x33x1A-M8-4 Filter King 15.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 33 x .75″ – FK15.5x33x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-10-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-10-5-x-75-fk20x10-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/F_90480f63-dc08-4d1d-96d1-95fd1bc2f904.avif?v=1767767324 Filter King 20×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10.5 x .75″ – FK20x10.5x1A-M8 -4 Filter King 20×10.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10.5 x .75″ – FK20x10.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-24-5-16-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-16-5-x-75-fk24-5-16-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK24.5x16.5x1A-M8-4-1.png?v=1767767370 Filter King 24.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 16.5 x .75″ – FK24.5×16.5x1A-M8 – 4 Filter King 24.5×16.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 16.5 x .75″ – FK24.5×16.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-18-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-43-x-75-fk18-5x43x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK18.5x43x1A-M8-4.avif?v=1767767378 Filter King 18.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 43 x .75″ – FK18.5x43x1A-M8-4 Filter King 18.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 43 x .75″ – FK18.5x43x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14-47-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-14-x-47-5-x-75-fk14x47-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK14x47.5x1A-M8-4.jpg?v=1767767388 Filter King 14×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 47.5 x .75″ -FK14x47.5x1A-M8-4 Filter King 14×47.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 47.5 x .75″ -FK14x47.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-59-5-x-75-fk22x59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22x59.5x1A-M8-4.avif?v=1767767801 Filter King 22×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 59.5 x .75″ – FK22x59.5x1A-M8-4 Filter King 22×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 59.5 x .75″ – FK22x59.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-12-x-41-x-75-fk12x41x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK12x41x1A-M8-4.avif?v=1767767816 Filter King 12x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 41 x .75″ – FK12x41x1A-M8-4 Filter King 12x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 41 x .75″ – FK12x41x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-5-62-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-62-5-x-75-fk19-5-62-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19.5x62.5x1A-M8-4-1.png?v=1767767878 Filter King 19.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 62.5 x .75″ – FK19.5×62.5x1A-M8 – 4 Filter King 19.5×62.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 62.5 x .75″ – FK19.5×62.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-25-x-75-fk27x25x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/Q_f91f6eaf-516d-4df4-8cd1-92a88eda7f53.avif?v=1767767997 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75″ – FK27x25x1A-M8 -4 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75″ – FK27x25x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-19-35-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-35-5-x-75-fk19x35-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK19x35.5x1A-M8-4.jpg?v=1767768215 Filter King 19×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35.5 x .75″ – FK19x35.5x1A-M8–4 Filter King 19×35.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35.5 x .75″ – FK19x35.5x1A-M8–4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-8-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-8-5-x-23-x-75-fk8-5x23x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK8.5x23x1A-M8-4.jpg?v=1767768284 Filter King 8.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 23 x .75″ – FK8.5x23x1A-M8-4 Filter King 8.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8.5 x 23 x .75″ – FK8.5x23x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-25-x-75-fk22x34-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/G_752850bc-05b4-4b56-bab6-abdc8ca97c1e.avif?v=1767768484 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75″ – FK22x34.5x1A-M8 -4 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75″ – FK22x34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-25-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-11-x-75-fk25-5x11x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK25.5x11x1A-M8-4-1.jpg?v=1767768495 Filter King 25.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 11 x .75″ – FK25.5x11x1A-M8 – 4 Filter King 25.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 11 x .75″ – FK25.5x11x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-11-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-47-x-75-fk11-5x47x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK11.5x47x1A-M8-4.avif?v=1767768824 Filter King 11.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 47 x .75″ – FK11.5x47x1A-M8-4 Filter King 11.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 47 x .75″ – FK11.5x47x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-22-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-8-x-75-fk22-5x18x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK22.5x18x1A-M8-4.jpg?v=1767768835 Filter King 22.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 8 x .75″ – FK22.5x18x1A-M8-4 Filter King 22.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 8 x .75″ – FK22.5x18x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-27x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-25-x-75-fk22x34-5x1a-m8-5 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/H_4a7ba8cd-25aa-47fe-88c2-13d15cd54309.avif?v=1767768897 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75″ – FK22x34.5x1A-M8 -4 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75″ – FK22x34.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-43-x-75-fk20x43x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x43x1A-M8-4-1.png?v=1767769097 Filter King 20x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE 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15.5 x 25.5 x .75″ – FB16X26-4 Filter King 16x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 25.5 x .75″ – FB16X26-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-23-59-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-59-5-x-75-fk23x59-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK23x59.5x1A-M8-4-1.jpg?v=1767769494 Filter King 23×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 59.5 x .75″ – FK23x59.5x1A-M8 – 4 Filter King 23×59.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 59.5 x .75″ – FK23x59.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-16-5-42-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-42-5-x-75-fk16-5-42-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK16.5x42.5x1A-M8-4.jpg?v=1767769735 Filter King 16.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 42.5 x .75″ – FK16.5×42.5x1A-M8-4 Filter King 16.5×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 42.5 x .75″ – FK16.5×42.5x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-x-37-x-75-fk15x37x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15x37x1A-M8-4.jpg?v=1767769912 Filter King 15x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 37 x .75″ – FK15x37x1A-M8-4 Filter King 15x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15 x 37 x .75″ – FK15x37x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-26-5-26-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-26-5-x-75-fk26-5-26-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/J_074e88ae-e62d-455f-8553-81b19dd2d6c4.jpg?v=1767770034 Filter King 26.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 26.5 x .75″ – FK26.5×26.5x1A-M8 -4 Filter King 26.5×26.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 26.5 x .75″ – FK26.5×26.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-15-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-15-5-x-17-x-75-fk15-5x17x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK15.5x17x1A-M8-4.jpg?v=1767770105 Filter King 15.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 17 x .75″ – FK15.5x17x1A-M8-4 Filter King 15.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 17 x .75″ – FK15.5x17x1A-M8-4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20x25x0-5-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-0-5-fb20x25x0-5-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB20X25X0.5-4.jpg?v=1767770268 Filter King 20x25x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x 0.5″ – FB20X25X0.5 -4 Filter King 20x25x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x 0.5″ – FB20X25X0.5 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-20-22-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-22-5-x-75-fk20x22-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FK20x22.5x1A-M8-4-1.jpg?v=1767770351 Filter King 20×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 22.5 x .75″ – FK20x22.5x1A-M8 – 4 Filter King 20×22.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 22.5 x .75″ – FK20x22.5x1A-M8 – 4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-14x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-13-5-x-19-5-x-75-fb14x20-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB14X20-4.jpg?v=1767770519 Filter King 14x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75″ – FB14X20 -4 Filter King 14x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75″ – FB14X20 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-30-30-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-x-30-5-x-75-fk30x30-5x1a-m8-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/K_3b157921-a0e3-4d9b-955c-4e6542a5a16c.jpg?v=1767770565 Filter King 30×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 30.5 x .75″ – FK30x30.5x1A-M8 -4 Filter King 30×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30 x 30.5 x .75″ – FK30x30.5x1A-M8 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-6x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-5-5-x-5-5-x-75-fb6x6-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB6X6-4.jpg?v=1767770699 Filter King 6x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 5.5 x .75″ – FB6X6 -4 Filter King 6x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 5.5 x .75″ – FB6X6 -4 WholesaleHVACDirect https://hvacdirect.store/products/filter-king-12x30x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-11-5-x-29-5-x-1-75-fb12x30x2-4 2026-07-21T15:46:38-04:00 daily https://cdn.shopify.com/s/files/1/0697/4780/2407/files/FB12X30X2-4.jpg?v=1767770812 Filter King 12x30x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x 1.75″ – FB12X30X2 -4 Filter King 12x30x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 29.5 x 1.75″ – FB12X30X2 -4 WholesaleHVACDirect