** middle fan does not work ** COMFORT ZONE 3-Speed Window Fan

Keep your indoor environment cool and comfortable with the Comfort Zone 3-Speed Triple Window Fan. Designed for maximum versatility and reliable performance, this fan features a slim, unobtrusive profile that easily mounts in either horizontal or vertical orientations. It is engineered to fit most standard double-hung windows, requiring a minimum clearance of 25" x 8", and includes built-in expanders that stretch from 25 to 36.7 inches for a secure, custom fit. Operation is refreshingly simple with straightforward manual controls and a manual dial adjustable thermostat to help maintain your ideal room temperature.