When opened, the Maxx Fan's unique patent pending rain shield automatically moves into position, protecting your vehicle's interior. When closed, the rain shield tucks away under the vent lid leaving a low profile, euro-style appearance. MaxxFan, a new, one-of-a kind ventilator system that protects your RV interior - always - in any weather - rain or shine. Brings in fresh air and removes hot musty air and odors. A complete all in one system that fits standard 14" x 14" RV roof openings. Opens and closes like most standard roof vents using a manual knob located at the ceiling. Includes a powerful three speed fan, thermostat, air intake and exhaust functions. Easy to remove interior insect screen, simply rotate four retaining knobs to remove for cleaning, no tools required. Features a powerful, fuse protected, sealed ball bearing, 12 volt fan motor and a 12", 10 bladed fan Provides over 900 CFM of airflow on "high" using 4.4 amps, 730 CFM at 2.5 amps and 500 CFM on "low" at 1.4 amps. 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