Standard-Duty Quiet-Design Industrial Fan, Blade Dia. 20 in, Stationary, 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.