High-Temperature Industrial Fan, Blade Dia. 20 in, Stationary, Non-Oscillating, 1 Speeds, Voltage 115/230V AC, 1 Phase, CFM High 5500, Air Velocity @ 20 Ft. 580 fpm, Motor HP 1/2 hp, Motor RPM 1670, Operating Amps 5.2/2.6, Fan Mounting Location Fan Head Only, Fan Accessory Style High Ambient, Fan RPM 1670, Sound Level 76 dBA, Max. Ambient Temp. 140 Degrees F, Hz 60 Hz, Watts 600, Motor Type Permanent Split Capacitor, Drive Type Direct Drive, Outside Dia. 23 In., Height 23 in, Width 23 in