... UV-cut resisitant.4. Complete protection, over-current protection, open phase protection, undervoltage protection,water shortage protection, full-automatic water ... and drainage function.5. Automatic control water-supply system,open type water theif,divide water fluency,automatic clearing,no ... will go to the areas where you ventilate, such as open windows, doors, up-dux or other vents. Ventilation and ...