Duct Reducer For Nominal Duct Diameter 15 in 16 in Inlet Diameter 16 in Inside Diameter 16 in Overall Length 7 in Product Type Reducer Weight 7 lb Material Thickness 20 ga Maximum Pressure Rating 42 in wc Maximum Temperature Rating 390 Degrees F Material Steel Seal Material Nitrile Standards Not Applicable Shape Round Gas Appliance Category Not Applicable Maximum Airflow 9 775 cfm Outlet Diameter 15 in Overall Height 11 in Overall Width 16 in End Type Quick-Fit Color Silver