Round ventilation grille, adjustable airflow, stainless steel vent, air inlet and outlet, 125 mm

Durable Material: 304 stainless steel ventilation grille with a polished surface, corrosion-resistant, sturdy, and durable. Dimensions: The round ventilation grille has a diameter of 125 mm (5 inches), 4 holes (3.5 mm), is easy to install, and the airflow is adjustable to your needs. Adjustable Ventilation: Our ventilation can be used for interior ventilation. Suitable for heating or ventilating a boat, RV, or caravan, with adjustable ventilation and fresh air exchange as needed. Design: Our round ventilation grille is professionally designed for yachts, boats, RVs, roller shutters, and ventilation panels, ideal for increasing and improving air circulation. Wide Application: The round ventilation grille can be used indoors or outdoors for anyone needing adjustable ventilation. Heat can be generated according to the food being grilled. It can even be used in garages.