The Lasko Slim 20" Box Fan features three quiet speeds for high volume air movement. The rounded corners offer provided safety while the slim design allows for easy placement no matter where you put it. Put it in a window, on the floor in a bedroom, living room, office or anywhere you need a fan. Use in conjunction with an air conditioner to boost cooling airflow. Plus, with the Save-Smart design, this fan costs less than 2-cents per hour to run! Equipped with Lasko's trusted, fused safety plug. Simple no-tools assembly required.