{"product_id":"filter-king-af20x21x1a-m8-merv-8-air-filter-20x21x1","title":"AF20x21x1A-M8 Merv 8 Air Filter 20x21x1","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AF20x21x1A-M8 is a MERV 8 pleated HVAC air filter designed for residential and light commercial forced-air systems. With a nominal size of 20x21x1 inch and an actual size of 20 x 21 x 0.75 inches, this filter fits standard 1-inch filter slots and delivers reliable particulate capture at the MERV 8 rating level. MERV 8 filtration captures common airborne particles including dust, pollen, mold spores, and pet dander, making it a solid baseline choice for most residential HVAC applications. Licensed HVAC technicians and knowledgeable homeowners alike install this filter as part of routine system maintenance.\u003c\/p\u003e\n\u003cp\u003eThis filter is suited for residential split systems, packaged units, fan coils, and air handlers that accept a 1-inch pleated filter in a 20x21 nominal slot. The pleated media construction increases surface area compared to flat-panel fiberglass filters, supporting adequate airflow while maintaining effective particle capture. Sold in a quantity of 10 per order, this filter is a practical choice for scheduled filter replacement programs on multiple units or for stocking spare filters on a single system.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 8 rated pleated media captures dust, pollen, mold spores, and pet dander\u003c\/li\u003e\n  \u003cli\u003eNominal size 20x21x1 inch fits standard 1-inch filter housings\u003c\/li\u003e\n  \u003cli\u003eActual size 20 x 21 x 0.75 inches for proper fit in standard filter tracks\u003c\/li\u003e\n  \u003cli\u003ePleated design increases filtration surface area over flat-panel filters\u003c\/li\u003e\n  \u003cli\u003eSold in a 10-pack for multi-unit stocking or scheduled replacement cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a drop-in replacement for residential and light commercial forced-air systems requiring a 1-inch pleated air filter in a 20x21 nominal filter slot.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eFilter replacement is a standard HVAC maintenance task performed by licensed technicians or qualified service personnel. Power down the air handler or furnace at the disconnect or thermostat before replacing the filter. Install with airflow direction arrows on the filter frame pointing toward the blower and away from the return air duct. Inspect the filter track and housing gaskets for air bypass before closing the access panel.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Size\u003c\/strong\u003e: 20x21x1 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActual Size\u003c\/strong\u003e: 20 x 21 x 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMERV Rating\u003c\/strong\u003e: MERV 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Thickness\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per Order\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: FILTER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: AF20x21x1A-M8\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FILTER","offers":[{"title":"Default Title","offer_id":51716798415154,"sku":"AF20x21x1A-M8","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/34f081670755ea11179b79e7988ff92e_d51a7b6a-7548-4052-a934-5e94ab560601.jpg?v=1790917654","url":"https:\/\/voomisupply.com\/products\/filter-king-af20x21x1a-m8-merv-8-air-filter-20x21x1","provider":"Voomi Supply","version":"1.0","type":"link"}