Lasko's original, patented, combination window/floor fan pivots to make sure the cool air goes exactly where it's needed most. The Air Director works great installed in the window or resting on the floor. Its 3 whisper-quiet speeds makes sure you get just the amount of cool air you need. Fits windows 18 inches high and larger. Fits in front of the window screen. Comes fully assembled. ETL/cETL listed. Manually reversible for air intake for exhaust.