Wall Cap For Nominal Duct Diameter Not Applicable Gas Appliance Category Not Applicable For Duct Height 3 3/8 in For Duct Width 10 1/4 in Inlet Diameter Not Applicable Material Steel Overall Length 5 5/8 in Product Type Wall Cap Inside Diameter Not Applicable Material Thickness 25 ga Weight 1.79 lb Maximum Pressure Rating Not Applicable Maximum Temperature Rating Not Applicable Seal Material Nitrile Standards Not Applicable Finish Epoxy Color Black Overall Height 9 1/2 in