Angle Flange Adapter, For Nominal Duct Diameter 9 in, Inlet Diameter 9 in, Material Steel, Product Type Angle Flange Adapter, Material Thickness 22 ga, Overall Length 3 1/2 in, Maximum Pressure Rating 42 in wc, Weight 3.25 lb, For Duct Height 9 in, Flange Inner Diameter 9 1/8 in, For Duct Width 9 in, Flange Outer Diameter 11 5/8 in, Inside Diameter 1/2 in, Number of Holes on Flange 6, Overall Width 9 in, Bolt Circle Diameter 10 5/8 in, Minimum Pressure Rating 2 in wc, Shape Straight