3199028 Heater Filter 9" x 18" $19.53 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details SPECIFICATIONS:Length: 18" (457.2mm)Width: 1/16" (2mm)Height: 9" (228.6mm)General Specifications: Details Back DetailsSPECIFICATIONS:Length:18" (457.2mm)Width:1/16" (2mm)Height:9" (228.6mm)General Specifications:Aluminum frame; expanded aluminum pad