Simple Deluxe 20" high velocity fan features easy to switch the speed by the rotary switches. 3 powerful speeds and aluminum blades create the maximum air velocity of 1800 CFM. The powerful wind will cool the space where it’s positioned. The ball-bearing motors are stable, longer life span and low noise. The pivoting head provides you wide-range cooling air circulation. The ability to direct high velocity air anywhere makes this fan ideal for cooling or ventilation where it’s positioned. This fan features a convenient, built-in carry handle. Handle on the rear guards allow you with easy carrying. You can move the fan from your work-space to your garage or wherever.