{"product_id":"24x48x1-air-filter","title":"24x48x1 Aerostar Air Filter","description":"The 24x48x1 Aerostar fits one of the longer rectangular returns in residential HVAC, measuring 24\" x 48\" x 1\" actual. Returns in this size show up on larger homes and some light commercial applications where the system designer specified a single oversized return rather than multiple smaller grilles. Three MERV grades cover the typical filtration range. MERV 8 for baseline dust, lint, and pollen. MERV 11 for pet households or homes with mild allergy concerns. MERV 13 for fine particulate capture including bacteria, virus-carrying droplets, and wildfire smoke. Pleated synthetic media with an electrostatic charge built into the fibers handles the filtration. The pleats provide substantially more surface area than a flat fiberglass filter would at the same nominal size, which is what gets you the 60-to-90-day service interval under typical residential conditions. The electrostatic charge catches sub-micron particles where the physical weave alone reaches its filtration limits. Manufactured in the USA by Con-Air Industries at the Orlando, Florida facility. Cardboard frame, reinforced to hold shape under blower suction - critical at this length because longer filters experience proportionally more bending stress across the long axis, and a flexed frame allows air bypass at the edges where the seal matters most.","brand":"Aerostar","offers":[{"title":"MERV 8 \/ 6","offer_id":41902420557978,"sku":"P80S.012448-6","price":350.06,"currency_code":"USD","in_stock":true},{"title":"MERV 11 \/ 2","offer_id":41902420394138,"sku":"P15S.012448-2","price":113.86,"currency_code":"USD","in_stock":false},{"title":"MERV 13 \/ 2","offer_id":41902420426906,"sku":"P25S.012448-2","price":70.31,"currency_code":"USD","in_stock":false},{"title":"MERV 8 \/ 4","offer_id":41902420459674,"sku":"P80S.012448-4","price":240.74,"currency_code":"USD","in_stock":false},{"title":"MERV 11 \/ 4","offer_id":41902420492442,"sku":"P15S.012448-4","price":223.18,"currency_code":"USD","in_stock":false},{"title":"MERV 13 \/ 4","offer_id":41902420525210,"sku":"P25S.012448-4","price":140.61,"currency_code":"USD","in_stock":false},{"title":"MERV 8 \/ 2","offer_id":41902420361370,"sku":"P80S.012448-2","price":122.83,"currency_code":"USD","in_stock":false},{"title":"MERV 11 \/ 6","offer_id":41902420590746,"sku":"P15S.012448-6","price":324.51,"currency_code":"USD","in_stock":true},{"title":"MERV 13 \/ 6","offer_id":41902420623514,"sku":"P25S.012448-6","price":210.92,"currency_code":"USD","in_stock":true},{"title":"MERV 8 \/ 12","offer_id":41902420656282,"sku":"P80S.012448-12","price":663.26,"currency_code":"USD","in_stock":true},{"title":"MERV 11 \/ 12","offer_id":41902420689050,"sku":"P15S.012448-12","price":614.86,"currency_code":"USD","in_stock":true},{"title":"MERV 13 \/ 12","offer_id":41902420721818,"sku":"P25S.012448-12","price":421.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/6937\/4362\/files\/24x48x1_MERV8_1pk.png?v=1790042609","url":"https:\/\/aerostarairfilters.com\/products\/24x48x1-air-filter","provider":"Aerostar Air Filters","version":"1.0","type":"link"}