Standard-Duty Quiet-Design Industrial Fan, Blade Dia. 18 in, Stationary, Non-Oscillating, 3 Speeds, Voltage 115V AC, 1 Phase, CFM High 2600, CFM Low 1805, Air Velocity @ 20 Ft. 230 fpm, Motor HP 1/5 hp, Motor RPM 1125/915/780, Operating Amps 1.41, Fan Mounting Location Wall, Fan Accessory Style Quiet Design, Fan RPM 1125, Sound Level 68/62/59 dBA, Max. Ambient Temp. 105 Degrees F, Hz 60 Hz, Watts 165, Motor Type Permanent Split Capacitor, Drive Type Direct Drive, Outside Dia. 23 In.