Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 22 1/8 in Minimum Airflow 3 520 cfm Maximum Airflow 11 100 cfm Maximum Static Pressure 1 in wc Maximum Inlet Air Temperature 150 Degrees F Shaft Diameter 1 1/8 in Bearing Type Ball Sound Level Not Rated Wheel Material Steel Housing Material Steel Wheel Width 11 in Number of Inlets 1 Inlet Diameter 22 1/4 in Outlet Shape Rectangular Outlet Height 27 1/4 in