Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 8 in Minimum Airflow 2 250 cfm Maximum Airflow 2 610 cfm Maximum Static Pressure 2 1/2 in wc Maximum Inlet Air Temperature 250 Degrees F Shaft Diameter 3/4 in Bearing Type Ball Wheel Material Steel Housing Material Steel Wheel Width 7 1/8 in Number of Inlets 2 Inlet Diameter 6 5/8 in Outlet Shape Rectangular Outlet Height 8 1/4 in Outlet Width 9 1/8 in