Upgrade your ventilation system with our Gravity Flap for Round Wall Outlet. This ventilation duct cover features non-return shutters and a rear spigot cover, ensuring efficient airflow and preventing backdrafts. The cowled ducting air vent grille also adds a sleek design element to any room. Made with durable materials, this cowled air vent cover is built to last and withstand daily use. The easy installation process makes it a convenient addition to any ventilation system. Simply attach it to the round wall outlet and enjoy improved air circulation. The cowled ducting grille not only enhances the functionality of your ventilation system but also adds a modern touch to your space. Its non-return flap design ensures that air only flows in one direction, making it an ideal choice for kitchens, bathrooms, and other areas with high moisture levels. Invest in the best with our Gravity Flap for Round Wall Outlet - the perfect ventilation cover for any home or commercial space. Upgrade your ducting system today and experience the benefits of improved airflow and a sleek design.