High Efficiency Fan, helps Cool down an office or work environment. Works even in winter time to move around hot air in warehouse or garage. Quick & Easy Installation, Minimal Assembled out box. All metal Construction, 40 Degree tilt angle, Spring loaded shaft for Easy Height Adjustment, Height 45″ to 60″ Degree, Control direction airflow better tan standard high velocity fans to circulate and cool large areas. High performance Blades move more air than Standard Industrial Blades. Resettable Overload.