The valve is installed in rooms with so-called clean room air, such as the living room and bedroom. Gap valve with surface or flush mounting on the window frame, above or in the ventilation hatch. The inlet air flow of the F31 gap valve is infinitely adjustable with the slider on the front panel. The package includes an outer grill and an inner valve. In the outer grille, a drip guard and a grille for insect filtering.
- Material: Plastic
- Product width: 41 mm
- Product depth: 22 mm
- Product height: 368 mm