Blower Wheel Type Forward-Curved Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 17 3/4 in Minimum Airflow 3 100 cfm Maximum Airflow 9 200 cfm Maximum Static Pressure 1 1/2 in wc Maximum Inlet Air Temperature 150 Degrees F Shaft Diameter 1 in Bearing Type Ball Sound Level Not Rated Wheel Material Steel Housing Material Steel Wheel Width 12 1/2 in Number of Inlets 2 Inlet Diameter 14 1/4 in Outlet Shape Rectangular Outlet Height 18 3/4 in