Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 11 1/8 in Minimum Airflow 1 150 cfm Maximum Airflow 3 440 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 7 5/8 in Number of Inlets 2 Inlet Diameter 9 1/8 in Outlet Shape Rectangular Outlet Height 11 3/8 in