Utilitech 9-in 3-Speed Indoor White/Painting Window Fan

The PELONIS twin window fan provides cooling from the hot temperatures. By drawing cool air from the outdoors or exhausting stale indoor air when installed facing outward. Designed to fit almost all slider and double hung windows with extender panels for a safe, custom fit. With quiet operation it is perfect for us in bedrooms and living rooms. Stay cool with the PELONIS twin window fan.