The Optimus 18 in. Industrial Grade High Velocity Stand Fan is constructed with a powerful three speed high torque motor and a reinforced wire grill for added safety. Made with all metal construction and adjustable height. 360 Degree Circle Head Tilts for use as Air Circulator. OSHA Approved Three Prong Grounded Plug. Straight Up Ceiling to Floor Ventilation. Item Dimensions: 11.00" x 16.50" x 45.50"Item Weight: 22.00lbs