{"product_id":"21-1-4x23-1-4x1-air-filter","title":"21 1\/4x23 1\/4x1 Aerostar Air Filter","description":"These 21.25x23.25x1 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 \/ 6","offer_id":41902208417946,"sku":"P80S.0121D23D-6","price":84.66,"currency_code":"USD","in_stock":true},{"title":"MERV 11 \/ 2","offer_id":41902208254106,"sku":"P15S.0121D23D-2","price":24.99,"currency_code":"USD","in_stock":true},{"title":"MERV 13 \/ 2","offer_id":41902208286874,"sku":"P25S.0121D23D-2","price":24.99,"currency_code":"USD","in_stock":true},{"title":"MERV 8 \/ 4","offer_id":41902208319642,"sku":"P80S.0121D23D-4","price":59.36,"currency_code":"USD","in_stock":true},{"title":"MERV 11 \/ 4","offer_id":41902208352410,"sku":"P15S.0121D23D-4","price":40.08,"currency_code":"USD","in_stock":true},{"title":"MERV 13 \/ 4","offer_id":41902208385178,"sku":"P25S.0121D23D-4","price":40.42,"currency_code":"USD","in_stock":true},{"title":"MERV 8 \/ 2","offer_id":41902208221338,"sku":"P80S.0121D23D-2","price":40.76,"currency_code":"USD","in_stock":true},{"title":"MERV 11 \/ 6","offer_id":41902208450714,"sku":"P15S.0121D23D-6","price":58.28,"currency_code":"USD","in_stock":true},{"title":"MERV 13 \/ 6","offer_id":41902208483482,"sku":"P25S.0121D23D-6","price":58.78,"currency_code":"USD","in_stock":true},{"title":"MERV 8 \/ 12","offer_id":41902208516250,"sku":"P80S.0121D23D-12","price":152.64,"currency_code":"USD","in_stock":true},{"title":"MERV 11 \/ 12","offer_id":41902208549018,"sku":"P15S.0121D23D-12","price":110.43,"currency_code":"USD","in_stock":true},{"title":"MERV 13 \/ 12","offer_id":41902208581786,"sku":"P25S.0121D23D-12","price":111.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/6937\/4362\/files\/21Dx23Dx1_MERV8_1pk.png?v=1790041355","url":"https:\/\/aerostarairfilters.com\/products\/21-1-4x23-1-4x1-air-filter","provider":"Aerostar Air Filters","version":"1.0","type":"link"}