Whirlwind 18" High Performance Pedestal Fan 18" High Performance Oscillating Pedestal Fan Adjustable Height 41" - 52 " Variable Positions for Optimum Comfort Tilting Head Oscillation for a wider cooling effect or Selectable stationary positions 5 Fin Aerodynamic Blades No Tool Required Product Dimensions 20.5 x 20.5 x 54.5 inches...