In-Line Duct Blower, Wheel Type Backward-Inclined, Drive Type Belt Drive, Includes Drive Package No, Assembly Unassembled, Wheel Diameter 24 in, Minimum Airflow 3,685 cfm, Maximum Airflow 12,144 cfm, Maximum Static Pressure 2 1/2 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 17 1/2 in, Outlet Diameter 16 1/2 in, Outlet Duct Connection Height 34 3/4 in