Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 12 1/2 in Minimum Airflow 1 460 cfm Maximum Airflow 2 100 cfm Maximum Static Pressure 1 in wc Maximum Inlet Air Temperature 180 Degrees F Shaft Diameter 3/4 in Bearing Type Ball Wheel Material Steel Housing Material Steel Wheel Width 6 1/2 in Number of Inlets 1 Inlet Diameter 13 1/4 in Outlet Shape Rectangular Outlet Height 13 1/4 in Outlet Width 9 5/8 in