Soffit Vent For Nominal Duct Diameter 3 in 4 in 5 in Gas Appliance Category Category III For Duct Height Not Applicable For Duct Width Not Applicable Inlet Diameter 5 in Material Plastic Overall Length 10 1/8 in Product Type Soffit Vent Inside Diameter Not Applicable Material Thickness Not Applicable Weight 1 lb Maximum Pressure Rating Not Applicable Maximum Temperature Rating Not Applicable Seal Material Not Applicable Standards Not Applicable Finish Not Applicable