Master, 30", 3 Speed, High Velocity Direct Drive Barrel Fan, Rock Solid Wheels For Portability, Durable Steel Construction, 3 Blades, Swivel Cart For Directional Airflow Control, Built-In Handle, 8500/7000/6000 Air Flow CFM, 1/3 , 120V/60Hz/2.2, Provides Air Circulation Where & When It's Needed, Making It Useful On The Factory Floor, Warehouse Or In A Barn With Livestock.