3m Replacement Foam Gasket,Gray SF600FI

90 Degree Elbow, For Nominal Duct Diameter 4 in, Inlet Diameter 4 in, Material Steel, Overall Length 7 in, Product Type Adjustable Elbow, Material Thickness 26 ga, Weight 0.78 lb, Maximum Pressure Rating 2 in wc, For Duct Height 1 5/8 in, Shape Elbow, End Type Crimped, For Duct Width 1 5/8 in, Gas Appliance Category Not Applicable, Maximum Airflow Not Applicable, Inside Diameter 4 in, Minimum Pressure Rating -1 in wc, Color Silver, Outlet Diameter 4 in, Overall Height 6 3/4 in