Quick-Fit dust collection duct adapter, For Nominal Duct Diameter 22 in, Inlet Diameter 22 in, Material Stainless Steel, Product Type Angle Flange Adapter, Material Thickness 20 ga, Overall Length 5 in, Maximum Pressure Rating 42 in wc, Weight 26.05 lb, For Duct Height 22 in, Flange Inner Diameter 22 1/8 in, For Duct Width 22 in, Flange Outer Diameter 25 1/8 in, Maximum Airflow 18,480 cfm, Inside Diameter 22 in, Number of Holes on Flange 12, Overall Width 25 1/8 in