Typeelectric powered fans12 and 24 volt roof fans for vehicles.Wind-driven fansRoof fans that rotate in the wind or wind.passive ventilationventilation products without moving parts such as floor ventilation and extraction unit (vent unit)roof hatchA roof hatch provides your motorhome/caravan with extra daylight without being bothered by any 'snoopers'.Roof fan partsWe offer you the possibility to order parts of your roof fan separately.Connection setWith this complete connection set you can connect the 3 position switch to the fan.