Angle Flange Adapter For Nominal Duct Diameter 14 in Inlet Diameter 14 1/8 in Material Steel Product Type Angle Flange Adapter Material Thickness 20 ga Overall Length 1 1/2 in Maximum Pressure Rating 42 in wc Weight 4.8 lb For Duct Height 14 in Flange Inner Diameter 14 1/8 in For Duct Width 14 in Flange Outer Diameter 17 1/8 in Inside Diameter 1/2 in Number of Holes on Flange 8 Overall Width 14 in Bolt Circle Diameter 16 in Minimum Pressure Rating 2 in wc Shape Straight