MaxxAir Vent Corporation is the industry leader in RV ventilation. We take great pride in our products and our employees who make them. Our focus is providing you with ventilation products that improve your RV lifestyle. The MaxxAir roof vent cover can be seen on over 2 million Rv's throughout the USA and many other countries. In fact you can find MaxxAir products where ever people enjoy the great outdoors and RV travel.