Duct Tee, For Nominal Duct Diameter 12 in, Inlet Diameter 12 in, Material Steel, Overall Length 21 1/2 in, Product Type Tee, Material Thickness 26 ga, Weight 7.9 lb, Maximum Pressure Rating 3 in wc, Maximum Temperature Rating 212 Degrees F, For Duct Height 10 3/4 in, Shape Tee, End Type Plain/Crimped, For Duct Width 10 3/4 in, Gas Appliance Category Not Applicable, Maximum Airflow Not Applicable, Inside Diameter 12 in, Minimum Pressure Rating 3 in wc, Color Silver, Outlet Diameter 12 in