{"product_id":"glasfloss-20x21x1-merv-10-qty-4-furnace-air-filter-made-in-usa-actual-size-19-5-x-20-5x7-8-inch","title":"Glasfloss 20x21x1 - MERV 10 -Qty:4 - Furnace Air Filter - Made in USA (Actual Size: 19.5 x 20.5x7\/8 inch)","description":"\u003cp\u003eThe Z-Line filters are classified under UL 900 STD and must withstand 180 F temperature.. Performance Test: The Glasfloss heating or cooling Furnace Air Filters must meet or exceed ANSI\/ASHRAE 52.2 test standards. Filter Media: Glasfloss Furnace Air Filter media is 100% Synthetic Fibers, manufactured and supplied by Kimberly-Clarke a trust worthy USA company, which offer less airflow resistance and will save you in energy cost. The ASHRAE highly recommend to use minimum MERV 10 rating at homes \u0026amp; offices to captures airborne particulates of 2.5 to 10 microns sizes. Better performance than MERV 8. Glasfloss 20x21x1 MERV 10 AC or HVAC Furnace Air Filter\u003c\/p\u003e","brand":"owalaroseshop.shop","offers":[{"title":"Default Title","offer_id":45285162876994,"sku":"owalaroseshop.shop535971","price":19.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/6185\/9650\/files\/D72524E4-1B67-483F-D4CB-A00388A6FE34.jpg?v=1790673638","url":"https:\/\/www.owalaroseshop.shop\/products\/glasfloss-20x21x1-merv-10-qty-4-furnace-air-filter-made-in-usa-actual-size-19-5-x-20-5x7-8-inch","provider":"owalaros","version":"1.0","type":"link"}