Angle Flange Adapter For Nominal Duct Diameter 7 in Inlet Diameter 7 in Material Stainless Steel Product Type Angle Flange Adapter Material Thickness 22 ga Overall Length 3 1/2 in Maximum Pressure Rating 42 in wc Weight 3.1 lb For Duct Height 7 in Flange Inner Diameter 7 1/8 in For Duct Width 7 in Flange Outer Diameter 9 5/8 in Inside Diameter 3/8 in Number of Holes on Flange 6 Overall Width 7 in Bolt Circle Diameter 8 1/2 in Minimum Pressure Rating 2 in wc Shape Straight