Blower Backward Incline Belt Drive Unassembled Wheel Diameter 15 Inches Shaft Diameter 1 Inch Airflow @ 0.250/1.500/3.000 Inches Static Pressure 4402/3789/2720 CFM Blower Speed 1980 RPM Includes 2HP 115/230 Volt 1 Phase Motor Drives And Weatherproof Drive Cover Height 30 1/4 Inches Width 34 3/8 Inches Depth 26 1/2 Inches Inlet Diameter 16 1/8 Inches Outlet Height 16 1/4 Inches Outlet Width 11 3/4 Inches Maximum Inlet Air Temperature 250 Degrees F CW Rotation Viewed From Drive Side