Duct Tee For Nominal Duct Diameter 9 in Inlet Diameter 9 in Material Steel Overall Length 16 3/4 in Product Type Tee Material Thickness 24 ga Weight 1 lb Maximum Pressure Rating 3 in wc Maximum Temperature Rating 212 Degrees F For Duct Height 9 in Shape Tee End Type Plain/Crimped For Duct Width 8 3/8 in Gas Appliance Category Not Applicable Maximum Airflow Not Applicable Inside Diameter 9 in Minimum Pressure Rating 3 in wc Color Silver Outlet Diameter 9 in