Utility Exhaust Blower, Wheel Type Backward-Inclined, Drive Type Belt Drive, Includes Drive Package No, Assembly Unassembled, Wheel Diameter 10 1/2 in, Minimum Airflow 300 cfm, Maximum Airflow 2,300 cfm, Maximum Static Pressure 3 in wc, Maximum Inlet Air Temperature 300 Degrees F, Shaft Diameter 3/4 in, Sound Level 71 dbA @ 5 ft, Wheel Material Aluminum, Housing Material Steel, Wheel Width 5 in, Number of Inlets 1, Inlet Diameter 11 in, Outlet Shape Rectangular, Outlet Height 11 1/4 in