› greenseam-gr6pocr12ga26d-duct-collar-w

Duct Collar w/Damper, For Nominal Duct Diameter 12 in, Material Steel, Overall Length 5 in, Material Thickness 26 ga, Weight 3.69 lb, Maximum Pressure Rating 3 in wc, For Duct Height 6 in, Shape Round, End Type Crimped, For Duct Width 12 in, Gas...