Don't recycle hot air, cool it. The Tower Air Cooler uses a water evaporation system for superior cooling compared to traditional electric fans. Cooler tank holds 6L of cold water to cool and refresh air. Wind mode replicates the natural rhythm of a summer breeze. Sleep friendly, night mode reduces fan strength gradually. Smooth 46º oscillation rotates tower for even air circulation. Climate control with 3 power settings and room temperature display. Two ice boxes are included, pop into the tank to make cool air, extra cold.