Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 36 1/2 in Minimum Airflow 11 186 cfm Maximum Airflow 24 238 cfm Maximum Static Pressure 5 in wc Maximum Inlet Air Temperature 250 Degrees F Shaft Diameter 1 7/8 in Bearing Type Pillow Block Ball Wheel Material Steel Housing Material Steel Wheel Width 13 1/8 in Number of Inlets 1 Inlet Diameter 39 in Outlet Shape Rectangular Outlet Height 39 1/4 in