Corrosion-Resistant Industrial Fan, Blade Dia. 20 in, Stationary, Non-Oscillating, Variable Speeds, Voltage 115/230V AC, 1 Phase, CFM High 1980, CFM Low 1450, Motor HP 1/10 hp, Motor RPM 1700, Operating Amps 1.0/.5, Fan Mounting Location Ceiling, I-Beam, Wall, Fan RPM 1700, Sound Level 57 dBA, Max. Ambient Temp. 120 Degrees F, Hz 60 Hz, Watts 100, Motor Type Split Phase, Drive Type Direct Drive, Outside Dia. 23, Height 24 in, Width 13 in, Max. Depth 12 In., Cord Length 9 ft.