Vornado 660 Whole Room Air Circulator, 4-Speeds, BlackVornado advances air comfort to a new level with its most powerful model yet, the 660. Despite its "midsize" appearance when compared with larger Vornado circulators, the 660 packs an unprecedented amount of circulation power into a minimal footprint. Vornado's signature energy efficient Vortex Technology empowers the 660 to move air up to 100 feet, providing complete circulation of all the air in the room for a comfortable, even room temperature. The