Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 11 1/8 in Minimum Airflow 850 cfm Maximum Airflow 2 910 cfm Maximum Static Pressure 1 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 6 3/8 in Number of Inlets 1 Inlet Diameter 10 7/8 in Outlet Shape Rectangular Outlet Height 11 3/8 in