Ventilation grille with 150 mm non-return valve, made of weather-resistant stainless steel and equipped with adjustable louvers.

Upgraded Materials: Our stainless steel weather guards with movable slats are made of premium stainless steel with a polished surface, and are durable, rust and corrosion resistant. The stainless steel ventilation grille with movable is characterized by high durability and high quality and is perfect for kitchens and bathrooms.

【Ventilation grille】The installation of the 150 mm non-return hatch is done on the exterior wall of the air extraction installation. When the fan stops, the slats close automatically and prevent the entry of cold air and the penetration of dirt, insects and other objects. Make sure air vents and weather guards work efficiently, without producing noise and disrupting your life.

Robust and durable: the stainless steel slat grille is resistant to external influences such as snow, rain, frost, sun. Strength and high-quality materials ensure stable construction of the air vent and protect it from deformation. The unique fixed grille blade design can effectively prevent water penetration, suitable for indoor and outdoor use.

Easy installation: Insert the right size air vent into the flexible tube, 4 screws are nailed to the wall where it is to be installed, and it can be completed in a few minutes. The air vent grille is designed to easily adapt to different surfaces, ensuring a secure and durable attachment.

【Versatile use】This ventilation grille stands out for its modern design and surfaces that make it ideal for any type of room, whether on a wall or on the ceiling. The ventilation grille with non-return valve can be installed in pipe networks or in direct openings to the outside or to other rooms. Ideal for exhaust ducts, pipes, dryers, bathrooms, kitchens, garages, hoods and vents.