Lasko's 20\" Cool Colors Box Fan in bold purple has 3 quiet speeds, Save-Smart® energy efficiency (costs less than 2¢ per hour to operate), a durable steel frame, and a built-in carry handle. It's the perfect box fan for dorms, yoga studios, or any room in your home that needs cooling airflow. Features a weather-resistant motor for worry-free indoor window use. Equipped with Blue Plug safety fuse technology, making this fan a safe and an energy-efficient option. 2-year limited warranty.