{"product_id":"merv8-filter-171-2-x-21-x-1a","title":"MERV 8 Air Filter 17½ x 21 x 1","description":"\u003cp\u003eThe MERV 8 Air Filter 17½ x 21 x 1 is designed to improve indoor air quality while protecting your HVAC system from dust, lint, pollen, mold spores, and other airborne particles. Constructed with durable pleated synthetic media, this filter provides an excellent balance between airflow and filtration efficiency, helping maintain system performance and extend equipment life.\u003c\/p\u003e\n\u003cp\u003eWith a MERV 8 efficiency rating, this filter effectively captures common household contaminants while allowing proper airflow for residential and light commercial HVAC systems. It is compatible with most standard furnaces, air handlers, and return air filter grilles that require a 17½ × 21 × 1 inch filter.\u003c\/p\u003e\n\u003cp\u003eRegular filter replacement helps improve HVAC efficiency, reduce energy consumption, and maintain cleaner indoor air. This filter is ideal for homes, apartments, offices, and other indoor environments where dependable air filtration is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This listing is for one (1) individual air filter. Images may show multiple filters or packaging for illustration purposes only. Please adjust the quantity when ordering if more than one filter is needed.\u003c\/p\u003e\n","brand":"Filter King","offers":[{"title":"Default Title","offer_id":44701753770026,"sku":"17 1\/2X21X1A","price":6.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/0356\/4074\/files\/61fuj9YnQPL_71fb1bb7-759d-4b65-b3d3-699e01c4620f.webp?v=1787024217","url":"https:\/\/imperialacsupply.com\/products\/merv8-filter-171-2-x-21-x-1a","provider":"Imperial AC Supply","version":"1.0","type":"link"}