Durable construction - Made from 316 stainless steel for corrosion resistance and long-lasting performance. This adjustable vent grille is built to endure in demanding environments. Slim and stylish design - Mirror-finish finish provides an elegant, contemporary look that suits any setting. - Resistant to wear and preserves its appearance over time. Easy airflow control - Side knob opening mechanism allows quick and precise adjustment of airflow for convenient ventilation management. Easy installation and versatile use - Simple to install and easy to operate. - Suitable for controlling ventilation on boats, ships, yachts, caravans, and in home settings. Use scenarios - Sailboat cabin ventilation to balance comfort and airflow while at sea. - Yacht interior or engine room where a durable, low-profile vent is advantageous. - Caravan or RV living spaces, or residential rooms such as bathrooms or utility areas, requiring robust and attractive ventilation. Specifications and features - Material: 316 stainless steel - Finish: Mirror - Function: Adjustable vent grille with side knob opening - Intended use: Flexible ventilation control in marine, mobile, and residential applications