Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 10 1/4 in Minimum Airflow 1 000 cfm Maximum Airflow 3 320 cfm Maximum Static Pressure 1 1/2 in wc Maximum Inlet Air Temperature 150 Degrees F Shaft Diameter 3/4 in Bearing Type Ball Sound Level Not Rated Wheel Material Steel Housing Material Steel Wheel Width 9 1/8 in Number of Inlets 2 Inlet Diameter 7 1/2 in Outlet Shape Rectangular Outlet Height 10 1/4 in