Ventilation grille for installation in the masonry, with installation frame with connector and non-return flap, made of plastic

Ventilation grille made of high-quality plastic (PVC-U) for installation in masonry with automatic closing flap, for outside, with installation frame made of plastic and fly gauze made of fibrlass. Marley installation frames can be corrected on the mounting frame so that the grille can be conveniently aligned by 3° to the left or right. For connection to pipes, telescopic duct, flex hose and flexible ventilation pipes as well as HT/KG pipe (spigot end, socket); color: white.