Large Rolling 24 Inch High Velocity Drum Fan on Wheels.

Specification:

110 Volt 60Hz 220 watts  Electric Motor UL Velocity Modulation Automatic Overheat Protection, 2 Speed Rotary Switch 3 Speed Setting Low: 6,475cfm, Med: 7,000cfm High: 7,700cfm Includes: 2pc 6' Casters For Easy Moving