Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package No Assembly Unassembled Wheel Diameter 30 in Maximum Inlet Air Temperature 250 Degrees F Shaft Diameter 1 5/8 in Bearing Type Ball Wheel Material Steel Housing Material Steel Number of Inlets 1 Inlet Diameter 32 1/4 in Outlet Shape Rectangular Outlet Height 32 1/4 in Outlet Width 23 3/8 in Outlet Diameter Not Applicable Minimum Motor Horsepower 1/2 hp Maximum Motor Horsepower 15 hp