Sharper Image 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.