MARINCO Solar Fan Minivent 1000 19.8 m³/h Extractor Fan, Solar Powered Fan, Quiet Operation and Waterproof

The small, affordable solar fan from MARINCO. It can be used as an exhaust fan only during daytime operation. This means it does its job exactly when you need it: It keeps the boat pleasantly cool during the hot sunny hours. At night, the solar fan operates passively. Output: 19.8 m³/h in full sunlight. The built-in shut-off valve prevents water from entering. No batteries or wiring required. Quiet operation. Permanently mounted, with a sliding sleeve closure.