Standard-Duty Quiet-Design Industrial Fan Blade Dia 20 in Stationary Non-Oscillating 3 Speeds Voltage 115V AC 1 Phase CFM High 3100 CFM Low 1657 Air Velocity @ 20 ft 275 fpm Motor HP 1/5 hp Motor RPM 1120/745/600 Operating Amps 1.65 Fan Mounting Location Wall Fan Accessory Style Quiet Design Fan RPM 1120 Sound Level 69/60/57 dBA Max Ambient Temp 105 Degrees F Hz 60 Hz Watts 193 Motor Type Permanent Split Capacitor Drive Type Direct Drive Outside Dia 23 In.