Machine Adapter, For Nominal Duct Diameter 8 in, Inlet Diameter 7 7/8 in, Material Stainless Steel, Product Type Machine Adapter, Material Thickness 22 ga, Overall Length 4 in, Maximum Pressure Rating 42 in wc, Weight 1.5 lb, For Duct Height 8 in, For Duct Width 8 in, Overall Width 8 in, Minimum Pressure Rating 2 in wc, Shape Straight, Outlet Diameter 8 in, Overall Diameter 8 in, Overall Height 8 in, End Type Quick-Fit, Adapter Type Machine Adapter