Vent Cap For Nominal Duct Diameter 5 in Gas Appliance Category Category I Category II Category III Category IV Material Steel Product Type Vent Cap Material Thickness Not Applicable Maximum Temperature Rating Not Applicable Standards CSA Finish Galvanized Color Silver Overall Height 11 in Shape Cap Connection Type Press Fit Overall Width 8 1/4 in Material Grade Not Applicable Minimum Pressure Rating Not Applicable Screen Included No