![20" x 30" x 1" Fiberglass Panel Furnace Filters - 12 pk - IAQ Living](http://www.iaqliving.com/cdn/shop/products/51NglnwXJ5L_{width}x.jpeg?v=1450518199)
20 x 30 x 1 Standard Panel Furnace / Air Conditioner filters. Case of 12 filters. Actual Dimensions 19 5/8 x 29 5/8 x 3/4 The Glasfloss GDS disposable panel filter features an innovative reinforced double strut construction for excellent durability and performance in commercial industrial and residential applications.