Lasko 2135 Air Director Window FanLasko 2135 Air Director Window Fan Features:; The original, patented, combination window or floor fan; A standard window fan can"t always get the air to the right location, but the Air Director pivots to send the air exactly where it"s needed most; Works as a powerful floor fan too; 3 whisper-quiet speeds; Manually reversible for air intake or exhaust; Fits windows 18" high and larger; Fits in front of window screen; Fully assembled; UL listed