The Airmaster model 78984 is a versatile 18 inch low stand high velocity fan ideal for cooling offices, work stations, garages, factories, tool sheds, and other residential spaces. The model features a 115V, 1 Phase, 3 Speed, Totally Enclosed, Ball Bearing motor with an 18 inch propeller. The 78984 has an airflow that ranges from 3346 CFM on the low speed to 4550 CFM on the high speed setting. This model also includes a four position easy to reach switch and a 10 foot cord with a three conductor plug. The yoke mount can mount to any surface with just a single bolt or lag screw.