The Maxxair Vent Maxxfan White 4 Speed Powered Vent provides over 900 CFM to keep you cool and comfortable, removing hot musty air and odors. The fan can run with the lid closed to circulate air in the RV (Ceiling Fan Mode). 12V DC, variable-speed fan. High powered 4 speed exhaust only fan. Exhaust only. Opens and closes using a manual knob located at the ceiling. Easy to remove interior insect screen, no tools required. Twin lifting arms, No more lid fluttering in high winds or when driving. Features a powerful, fuse protected, Long life, sealed ball bearing, 12 volt fan motor and a 12 inch - 10 blade fan. Flush mounted, easy to clean Keypad, controls fan speed, thermostat, Closes securely for a 3-3/4" low profile appearance. Smoke translucent lid. Fits all standard 14" x 14" roof openings. All mounting screws and hardware included. Roof sealant must be purchased separately

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov