Standard-Duty Industrial Fan Blade Dia 20 in Stationary Non-Oscillating 2 Speeds Voltage 115V AC 1 Phase CFM High 4750 CFM Low 3080 Air Velocity @ 20 ft 585/380 fpm Motor HP 1/4 hp Motor RPM 1100/850 Operating Amps 2.0/1.4 Fan Mounting Location Fan Head Only Fan Accessory Style Standard Fan RPM 1100/850 Sound Level 72 dBA Max Ambient Temp 104 Degrees F Hz 60 Hz Watts 220/160 Motor Type Permanent Split Capacitor Drive Type Direct Drive Outside Dia 23 in Height 23 in