Features a 20-inch box fan design for powerful airflow in any room Offers 3 refreshing speed settings to customize your cooling needs Boasts Save-Smart energy efficiency, costing less than 2¢ per hour to operate Equipped with a patented Weather resistant motor for worry-free window use Comes fully assembled and ready to use out of the box Slim design allows for easy placement as a window fan in the bedroom, a floor fan in the living room, an exhaust fan in the garage This box fan features a durable steel body and safe rounded corners Use in conjunction with an air conditioner to boost cooling airflow Equipped with Lasko's trusted, fused safety plug