3199011 Heater Filter 20-3/8" x 11" $35.28 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details SPECIFICATIONS:Length: 20 3/8" (517.5mm)Width: 1/4" (6.4mm)Height: 11" (279.4mm)General Specifications: Details Back DetailsSPECIFICATIONS:Length:20 3/8" (517.5mm)Width:1/4" (6.4mm)Height:11" (279.4mm)General Specifications:Aluminum frame; expanded aluminum pad