Standard-Duty Industrial Fan Blade Dia 36 in Mobile Non-Oscillating 1 Speeds Voltage 115V AC 1 Phase CFM High 15 000 Air Velocity @ 20 ft 544 fpm Motor HP 1/2 hp Motor RPM 150/850 Operating Amps 0.2/5.2 Fan Mounting Location Floor Fan Accessory Style Standard Fan RPM 150/850 Sound Level 73 dBA Max Ambient Temp 120 Degrees F Hz 60 Hz Watts 450 Motor Type Brushless DC (ECM) Drive Type Direct Drive Outside Dia 37 in Height 45 1/4 in Width 42 in Max Depth 20 in