Hurricane Pro 20 in High Velocity Metal Stand Fan is made to last for many seasons. This fan is ideal for home, greenhouses, garages, workshops and other areas that may need a heavy duty portable stand fan. It has an adjustable height from 39 to 54 Inch tall with a round sturdy weighted base. Made of rugged all metal construction and powder coated finish. The fan blades are aluminum. This fan has 3 speed settings with oscillation controls and adjustable tilt. Runs at 4500 CFM and 1400 RPM.