Cool Colors: Transform Your Space with the Lasko Cool Colors 20” Slim Box Fan – Bringing Coolness, Comfort, and color into your space Save-Smart Design: Energy-efficient floor fan helps keep you feeling cooler while spending less than 2¢ per hour to operate Moves a Large Volume of Air: Experience ultimate comfort and productivity by achieving an impressive 1725 CFM airflow Wind Ring® System: Our cutting-edge WindRing® system delivers a remarkable 44 ft/min increase in air velocity, surpassing Lasko’s B20200 box fan model Built to Last: Engineered with a robust steel frame and thoughtfully designed with safe, rounded corners Energy Efficient: Take full control of your comfort with 3 energy-efficient speed settings: Using Top-mounted manual controls, easily adjust air circulation and flow to perfectly suit your cooling experience, all with a turn of a knob! Safe to Use: The Blue Plug: Trusted Safety Fuse Technology is a trusted safety device that utilizes an integrated fuse to provide protection against electrical faults Maximize Your Cooling Power: Use this box fan in conjunction with an air conditioner for enhanced airflow and ultimate comfort Safe for Window Use: Weather-resistant motor for worry-free window use