End Cap with Screen For Nominal Duct Diameter 4 in Gas Appliance Category Not Applicable For Duct Height 4 in For Duct Width 4 in Inlet Diameter 4 in Material Stainless Steel Overall Length 2 1/4 in Product Type End Cap Inside Diameter 4 in Material Thickness 22 ga Weight 0.3 lb Maximum Pressure Rating 42 in wc Maximum Temperature Rating 1 100 Degrees F Seal Material Nitrile Standards Not Applicable Finish Not Applicable Color Silver Overall Height 4 in Shape Cap