Portal 23.85 in. 3-Speed Window Fan with Reversible Exhaust Mode

Sharper Image creates cutting edge products - so when we set out to create a window fan . we did our research and then rewrote the formula. The result was just over 6 in. tall . unobtrusive and clever enough to be seamlessly installed in windows from 24 in. up to 38 in. wide using an innovative modular block system. In today's world full of ugly . repetitive window fans . portal is a window fan that lives up to the Sharper Image vision - to bring products today inspired by Tomorrow's Tomorrow.