Improve airflow in your RV, camper, or van with this 12V roof exhaust fan. It's designed to fit a standard 4.65-inch (118 mm) hole, replacing your existing roof vent or adding a new one. The fan has a strong airflow that quickly clears out humidity, cooking smells, or stuffy air, but it runs quietly so it won't disturb you. The housing is made from durable ABS plastic with a white finish that blends with most interiors. It's adjustable in height to suit different roof thicknesses. The built-in motor has thermal protection for continuous, reliable use. Installation is straightforward if you're handy, and it works great in RVs, motorhomes, travel trailers, or even conversion vans. Keep your living space fresher and more comfortable on the road.