Air King window fans feature a 120 Volt, 3-speed 1/6 HP permanently lubricated, permanent split capacitor motor along with a 7', 3-conductor power cord and front mounted controls. The fan housing is constructed of impact resistant plastic and the Storm™ Guard feature allows the window to be closed behind the fan without having to uninstall it.

20" Wholehouse Window Fan  
9166: The 20" Wholehouse Window Fan features a powder coated steel front grill and blade and a 7', 3 conductor black type SJT power cord. The integrated plastic extender panels are easily adjusted for a perfect fit. Fits windows 27" to 38" wide with a minimum opening of 26.25" high.  Dimensions: 26.75"L x 11.25"W x 26.25"  Weight: 36.00 lbs.