MAXXAIR'S line of HIGH POWERED CELING FANS are easy to operate with convenient controls at the ceiling. When the lid is closed, the MAXXFAN will still operate to circulate air inside your RV. The MAXXFAN feature our EXCLUSIVE molded mounting tabs for TOOL FREE INSTALLATION of the FANMATE Vent Cover to protect your interior. The MAXXFAN Deluxe features the INDUSTRY EXCLUSIVE built-in rain shield eliminating the need for any additional covers.