Blower, Wheel Type Forward-Curved, Drive Type Belt Drive, Includes Drive Package No, Assembly Unassembled, Wheel Diameter 15 1/2 in, Minimum Airflow 8,250 cfm, Maximum Airflow 9,750 cfm, Maximum Static Pressure 2 1/2 in wc, Maximum Inlet Air Temperature 250 Degrees F, Shaft Diameter 1 in, Bearing Type Ball, Wheel Material Steel, Housing Material Steel, Wheel Width 15 in, Number of Inlets 2, Inlet Diameter 12 1/2 in, Outlet Shape Rectangular, Outlet Height 15 7/8 in, Outlet Width 18 5/8 in