Severe Duty Upblast Ventilator Drive Type Belt Wheel Dia 16-1/2 In. CFM @ 0.000-In. SP - Assembled No Motor Voltage 208-230/460 3 Phase 60 Hz Max Operating Amps 2.9-2.8/1.4 Motor HP 3/4 Max BHP 0.79 RPM 1535 Base Length 25-1/8 In. Base Height 6-1/4 In. Overall Dia 28-7/8 In. Base Width 25-1/8 In. Shaft Dia Sheave End 1 In. Shaft Dia Wheel End 1 In. Overall Height 36-1/4 In. Max Inlet Temp 400 Degrees Housing Material Steel Mounting Location Roof