Lasko's Premium 20-inch box fan features a patented Weather-Shield motor for worry-free window use. The control knob has three quiet speed settings and the high-performance grille provides ultimate airflow. The wider body allows for greater floor stability and the convenient handle makes it portable. The patented, fused safety plug provides additional worry-free use. Plus, with Save-Smart technology, this fan costs less than 2-cents per hour to run
