Quick-Fit Sleeve For Nominal Duct Diameter 20 in Fabric Material Nitrile Fold Type Power Lock Inlet Diameter 20 in Product Type Quick-Fit Sleeve Application Commercial Overall Length 10 7/8 in Weight 8.1 lb Material Stainless Steel Maximum Pressure Rating 42 in wc Material Thickness 20 ga Overall Height 10 7/8 in Outlet Diameter 20 in Maximum Airflow 15 270 cfm Overall Width 20 in Shape Round Seal Material Nitrile Duct Compatibility Round Color Silver