Air vent grille, 150 mm, non-return valve, weatherproof, stainless steel, with movable slats, air vent, vent grille, flap grille, Ø 150 mm

the movable slat vent is made of 304 stainless steel, durable, unbreakable, sun-resistant, rust-proof, and corrosion-resistant. Unique design of the slats. When the extraction fan is closed, the movable slats are closed, which effectively prevents the penetration of water, birds, insects, and more during the supply of fresh air, making it suitable for both indoor and outdoor use. Make sure it works effectively without producing noise and does not disturb your life. the drainage grid with movable slats effectively closes the ventilation connection, preventing water and small insects from entering through the gap, while the rounded back opening prevents water from accumulating. The air vent is equipped with barbels on both sides that lock securely onto the exhaust pipe and thus prevent slipping. The outdoor weather protection grille comes with 4 screws, which makes installation very easy. Insert the air vent into the duct or ventilation pipe, then nail the 4 screws into the wall to complete the entire installation process in minutes. The 304 stainless steel ventilation grille is ideal for channels, pipes, dryers, bathrooms, kitchens, garages, extractor hoods and vents.