In-Line Duct Blower, Wheel Type Backward-Inclined, Drive Type Belt Drive, Includes Drive Package No, Assembly Unassembled, Wheel Diameter 16 in, Minimum Airflow 1,759 cfm, Maximum Airflow 5,777 cfm, Maximum Static Pressure 3 in wc, Maximum Inlet Air Temperature 160 Degrees F, Shaft Diameter 1 in, Bearing Type Regreaseable Pillow Block, Wheel Material Aluminum, Housing Material Steel, Inlet Diameter 11 5/8 in, Outlet Diameter 11 in, Outlet Duct Connection Height 22 3/4 in