Blower, Wheel Type Forward-Curved, Drive Type Belt Drive, Includes Drive Package No, Assembly Unassembled, Wheel Diameter 12 7/8 in, Minimum Airflow 5,500 cfm, Maximum Airflow 6,500 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 12 3/4 in, Number of Inlets 2, Inlet Diameter 10 3/8 in, Outlet Shape Rectangular, Outlet Height 13 3/8 in, Outlet Width 15 5/8 in