High-Velocity Industrial Fan, Non-Oscillating, Voltage 277 V AC, 1 Phase, Air Velocity @ 20 Ft. 750 fpm, Motor HP 1 hp, Fan Mounting Location Wall, Sound Level 80.8 dBA, Max. Ambient Temp. 105 Degrees F, Hz 60 Hz, Watts 1,551.2, Motor Type Permanent Split Capacitor, Drive Type Direct Drive, Height 33 in, Width 33 in