Sweating windows Ventilation The breath of your home.

Tired of the eternal struggle with mold and stuffiness in the house? We have found a solution for your problem! Supply valve for natural ventilation of the house. Very easy to use, suitable for any style of repair, does not require an electrical connection, works 24/7 and has two levels of cleaning. Forget about dampness and stuffiness in the house. Breathe easy and live comfortably!