Collar W/Damper, 4 in Duct Dia, Galvanized Steel, 26 GA, 6 in W x, Greenseam, Mfr#: GR6POCR4GA26D

Duct Collar w/Damper, For Nominal Duct Diameter 4 in, Material Steel, Overall Length 5 in, Material Thickness 26 ga, Weight 0.8 lb, Maximum Pressure Rating 3 in wc, For Duct Height 6 in, Shape Round, End Type Crimped, For Duct Width 4 in, Gas Appliance Category Not Applicable, Inlet Diameter 4 in, Damper Type Low Leakage, Inside Diameter 4 in, Flange Outside Diameter 1 in, Outside Diameter 4 in, Flange Inside Diameter 4 in, Color Silver, Outlet Diameter 4 in, Overall Height 6 in