Machine Adapter For Nominal Duct Diameter 7 in Inlet Diameter 6 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 0.35 lb For Duct Height 7 in For Duct Width 7 in Overall Width 7 in Minimum Pressure Rating 2 in wc Shape Straight Outlet Diameter 7 in Overall Diameter 7 in Overall Height 7 in End Type Quick-Fit Adapter Type Machine Adapter