MaxxFan Deluxe 0005100K White RV 10-Speed Fan w/Manual Opening & Rain Shield

10 Speed intake and exhaust fan plus thermostat to control room temperature and built in rain cover.Provides over 900 CFM to keep you cool and comfortable; Fan runs with lid closed to circulate air (Ceiling Fan Mode); Easy to remove interior insect screen, no tools required; 12 volt fan motor and a 12 inch - 10 blade fan; Fits all standard 14" x 14" roof openings; All mounting screws and hardware included.; 2-YEAR Limited WARRANTY with LIFETIME Limited Warranty on the lid