{"product_id":"19-7-8x21-1-2x4-aerostar-air-filter","title":"19 7\/8x21 1\/2x4 Aerostar Air Filter","description":"These 19.875x21.5x4 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":49805898973430,"sku":"P80S.0419P21H-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_22d87275-7ab2-4e5d-a624-f918ddbdcc83.jpg?v=1766105774","url":"https:\/\/www.factorydirectfilters.com\/products\/19-7-8x21-1-2x4-aerostar-air-filter","provider":"Factory Direct Filters","version":"1.0","type":"link"}