Most wind driven and powered vents are not suitable for trailers, canopies, cars, animal transporters etc as they are designed for large roof and underfloor areas.
Vehicles can get hot, stuffy, smelly or moisture laden if they are not well ventilated, especially when closed up. For these circumstances, there are specially designed ventilators to fit on vehicles. They are designed for high wind speeds and weather elements that a vehicle could be exposed to through the seasons.
A compact, impact resistant, wind driven ventilator for a range of vehicles such as vans, trailers, caravans and boats.