Protect your interior from the elements! Designed for use with high-powered vents. The Fan Mate from Maxxair has a protective galvanized screen to provide superior rain protection when placed over your powered vent. Completely encloses your vent allowing it to open for ventilation, while providing rain protection for your RV interior. Includes hinged mounting brackets to allow for servicing of the fan. Polyethylene cover with UV inhibitors. 3 year limited warranty. 32.5"L x 20.5"W x 9.93"H.