{"product_id":"b09p47s9x3","title":"Aerostar 21x21x1 MERV 13-4 Count - Pleated HVAC, Furnace \u0026 Air Conditioner Filters - Removes Bacteria, Dust, Cold \u0026 Flu Germs, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog, Smoke \u0026 Viruses","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eNominal Size: 21x21x1; Actual Size: 20.875\" x 20.875\" x 0.75\"\u003c\/li\u003e\n\u003cli\u003eComparable to MPR 1500 to 1900 Ultimate Allergen Defense and Honeywell Allergen Elite FPR 10\u003c\/li\u003e\n\u003cli\u003eDesigned to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, and bacteria\u003c\/li\u003e\n\u003cli\u003eSimple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months\u003c\/li\u003e\n\u003cli\u003e100% synthetic electrostatic media for high efficiency with low air flow resistance. Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier \u0026amp; more productive\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Aerostar\u003c\/li\u003e\n\u003cli\u003eMaterial : pleated\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions : 20.88\"L x 20.88\"W x 0.75\"Th\u003c\/li\u003e\n\u003cli\u003eMERV Rating : 13\u003c\/li\u003e\n\u003cli\u003eCompatible Devices : Air Conditioner, Furnace\u003c\/li\u003e\n\u003cli\u003eUPC : 192212064663\u003c\/li\u003e\n\u003cli\u003eNumber of Items : 4\u003c\/li\u003e\n\u003cli\u003eManufacturer : Filtration Group\u003c\/li\u003e\n\u003cli\u003eProduct Grade : new\u003c\/li\u003e\n\u003cli\u003eUnit Count : 4.0 Count\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AirFiltersDelivered","offers":[{"title":"Default Title","offer_id":47617671364866,"sku":"B09P47S9X3","price":59.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/9274\/1378\/files\/71dXLrHiMML._AC_SX679_PIbundle-4_TopRight_0_0_SH20.jpg?v=1775175574","url":"https:\/\/filterflowstore.com\/products\/b09p47s9x3","provider":"FilterFlowstore","version":"1.0","type":"link"}