{"product_id":"18x20x4-commercial-residential-hvac-filter","title":"18x20x4 Commercial \u0026 Residential HVAC Filter","description":"These 18x20x4 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.","brand":"Aerostar","offers":[{"title":"MERV 8 \/ 2","offer_id":49805895172342,"sku":"P80S.041820-2","price":633.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/5907\/9670\/files\/20x20x4-front_20_1_e7ef3909-bb95-4078-8a4a-e3df569c750e.jpg?v=1766105763","url":"https:\/\/www.factorydirectfilters.com\/products\/18x20x4-commercial-residential-hvac-filter","provider":"Factory Direct Filters","version":"1.0","type":"link"}