Gap valve with surface installation on the window frame, above or in the ventilation hatch. The advantage of the Fresh 40 valve is its unique design: the valve cap directs the incoming air upwards, which significantly reduces the feeling of draft. The valve can also be closed with a valve cap (not recommended). Air ducts are made by drilling. The whole, where the inner part is equipped with air intakes and a standard filter, the outer part has a grille for insect filtering.
- Material: plastic
- Product width: 485 mm
- Product depth: 38 mm
- Product height: 22 mm