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.