The Vornado 783B Air Circulator combines an adjustable height feature and the Signature Vornado Vortex Circulation to powerfully provide quality air circulation and the best comfort. In addition to being one of the Vornado's most powerful circulators, the 783B can adjust from a height of 27 inches to 42 inches. Direct air where it is needed with fully adjustable head. The 3-speed control is conveniently located on the back of the air circulator. Rejuvenate the air and comfort of any room in the home or office with the 783B Air circulator.