Air Cannon Industrial Blade Dia 18 In. 3 Phase Propeller Dia (In.) 18 Voltage 208-230/460 60 Hz Motor HP 1/2 CFM High 3800 Air Velocity (FPM) @ 20 ft 475 Operating Amps 2.4-2.3/1.2 Motor RPM 1725 Thermal Protection Automatic Max Ambient Temp 105 Degrees F Shaft Dia 5/8 In. Bearing Type Ball Speeds 1 Number of Blades 3 Mounting Location Mobile Or Floor Shaft Dia (In.) 5/8 Housing Material Steel Outside Dia 24 In. Width 24 In. Height 24 In. Max Depth 16 In.