The Dayton 2LY89 is a 20″ commercial air circulator ideal for use in light duty applications including schools and sporting events. The unit features 3-way mounting capability and can be easily tilted to maximize ventilation returns. About this circulator:Air Circulator, Blade Dia. 20″, Mobile/Stationary Stationary, Oscillating/Non-Oscillating Non-Oscillating, Speeds 3, Voltage 115, Phase 1, CFM High 3650, CFM Low 2700, Motor HP 1/6, Motor RPM 1500/1300/1100, Operating Amps 1.5/1.2/1.0, Mounting Location Wall, Ceiling or Floor, Fan RPM 1500/1300/1100, Environmental Applications Light Commercial, Assembled Assembled, CFM Medium 3150, Max. Ambient Temp. 105 Degrees F, Hz 60, Watts 166/144/124, Motor Type Shaded Pole, Drive Type Direct, Motor Enclosure Open Air-Over, Motor Insulation Class A, Thermal Protection Auto, Bearing Type Sleeve, Height 24″, Width 24″, Max. Depth 10″, Cord Length 9 ft., Number of Blades 3, Blade Material Black Painted Steel, Shaft Dia. 3/8″