Ventilation grilles are typically used to refresh air from any room or space and to prevent moisture build-up. Stainless steel ventilation grilles are often used for ventilation in bathrooms, toilets, kitchens and closets. It can be adjusted in the open, closed or middle position to regulate the air flow. Due to its simple but aesthetic appearance, it is widely preferred by architects, designers and boat owners as a kitchen fan or air vents for boats and ships. This air vent is available in 9 x 6 inches (23 x 15 cm), 6 x 6 inches (15 x 15 cm) and 9 x 3 inches (23 x 7.5 cm). Stainless steel metal AISI 316, this ventilation grille is resistant to rust and salt oxides, which makes it suitable for marine applications.