584220 Heater Filter 11 1/4" x 10 5/16" $29.30 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details SPECIFICATIONS:Length: 11 1/4" (285.8mm)Width: 1/4" (6.4mm)Height: 10 5/16" (261.9mm)General Specifications: Details Back DetailsSPECIFICATIONS:Length:11 1/4" (285.8mm)Width:1/4" (6.4mm)Height:10 5/16" (261.9mm)General Specifications:Aluminum frame; expanded aluminum pad