99688 ''24 hours'' vent, diam. 20cm, white

Product Description

"“24 hours” vent is completely automatic as it works with solar energy in sunny days and batteries, during the night. Forced ventilation is controlled through a dynamic impeller, which turns clockwise to inflow and counter clockwise to exhaust air. The user adjusts the vent on the corresponding function through on/off switches. Active air movement absorbs moisture and refreshes the interior of your boat completely. Simultaneously, when water enters the vent special balls inside block its entry to achieve absolute impermeability. “24 hour” vents are made of white plastic. The 99689 vent is equipped with inox cover. Impermeability Water pushes the special balls inside the vent to shut ventilation holes and ensure absolute impermeability Solar panel Operates with Solar Energy. Activation with on/off switches Battery Rechargeable battery, charged automatically by the solar panel. Activation with on/off switches. PCB Three functions PCB to activate solar function, activate battery function and modify fan function from clockwise to counter clockwise turn. "