Kendal Heavy Duty 20&rdquo; High Velocity Floor Fan FLFAN20 Heavy duty high velocity motor for maximum air circulation for long term use. The motor is made of heavy duty steel and copper. The fan blades are made of corrosion free metal and the cage is painted black. Tilt adjustment for ability to direct the flow of air flow. With 140 watts power, it easily moves 3 to 4 times more air than a box fan. Three speeds settings. Built-in 130C thermal fuse protection for the motor. Perfectly balanced blades make less noise. Their soft, their quiet, no assembly and less expensive.