Flange Adapter, For Nominal Duct Diameter 8 in, Inlet Diameter 8 5/8 in, Material PVC, Product Type Angle Flange Adapter, Material Thickness 0.3 in, Overall Length 12 in, Maximum Pressure Rating 10 in wc, Weight 2 lb, Flange Inner Diameter 8 1/4 in, Flange Outer Diameter 12 in, Inside Diameter 8 5/8 in, Number of Holes on Flange 10, Overall Width 12 in, Bolt Circle Diameter 10 1/2 in, Minimum Pressure Rating Not Applicable, Shape Straight, Outlet Diameter 12 in, Overall Diameter 12 in