Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 9 in Minimum Airflow 475 cfm Maximum Airflow 1 100 cfm Maximum Static Pressure 3/4 in wc Maximum Inlet Air Temperature 180 Degrees F Shaft Diameter 5/8 in Bearing Type Ball Wheel Material Steel Housing Material Steel Wheel Width 4 1/2 in Number of Inlets 1 Inlet Diameter 9 in Outlet Shape Rectangular Outlet Height 10 3/4 in Outlet Width 6 1/2 in