{"product_id":"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","title":"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\"","description":"\u003cp data-start=\"141\" data-end=\"165\"\u003e\u003cstrong data-start=\"141\" data-end=\"151\"\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFilter King\u003c\/p\u003e\n\u003cp data-start=\"168\" data-end=\"219\"\u003e\u003cstrong data-start=\"168\" data-end=\"181\"\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePleated Paper or Synthetic Material\u003c\/p\u003e\n\u003cp data-start=\"222\" data-end=\"261\"\u003e\u003cstrong data-start=\"222\" data-end=\"237\"\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e21″L x 18″W x 0.75″Th\u003c\/p\u003e\n\u003cp data-start=\"264\" data-end=\"284\"\u003e\u003cstrong data-start=\"264\" data-end=\"280\"\u003eMERV Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8\u003c\/p\u003e\n\u003cp data-start=\"287\" data-end=\"337\"\u003e\u003cstrong data-start=\"287\" data-end=\"310\"\u003eCompatible Devices:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAir Conditioner, Furnace\u003c\/p\u003e\n\u003cp data-start=\"369\" data-end=\"393\"\u003e\u003cstrong data-start=\"369\" data-end=\"389\"\u003eNumber of Items:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4\u003c\/p\u003e\n\u003cp data-start=\"396\" data-end=\"423\"\u003e\u003cstrong data-start=\"396\" data-end=\"411\"\u003eUnit Count:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.0 Count\u003c\/p\u003e\n\u003cp data-start=\"426\" data-end=\"450\"\u003e\u003cstrong data-start=\"426\" data-end=\"444\"\u003eProduct Grade:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNew\u003c\/p\u003e\n\u003cp data-start=\"453\" data-end=\"484\"\u003e\u003cstrong data-start=\"453\" data-end=\"470\"\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFilter King\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eFILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 18″ x 21″ x 1″ – Actual Size: 17.5″ x 20.5″ x .75″\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501-FL-1)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 – 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A\/C and heaters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eFAST \u0026amp; EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":50347357045031,"sku":"FB18X21 -1","price":33.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/4780\/2407\/files\/FB18X21-1.jpg?v=1756130772","url":"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","provider":"WholesaleHVACDirect","version":"1.0","type":"link"}