1. Wide Application: Boat louver vent cover are used on boat to achieve air circulation, and can be used for ventilation in ships, yachts, caravans, RVs, truck,campers, house walls and other places. 2. Multi Functional Design: Boat plastic louvered vent covers are designed for convenient ventilation. Providing adequate protection from weather,debris, etc., making the internal environment cleaner and tidier. 3. Weather Resistant: Made of sturdy plastic material, erosion and resistant, it can withstand the harsh effects of marine and outdoor environments to ensure long term use. 4. Easy Installation: With a standard size of 3 inches and high adaptability, users can easily install it without complicated tools and expertise, saving time and cost. 5. Stylish Appearance: It can blend precisely match with styles of caravans and yachts, enhancing the overall aesthetics. Spec: Item Type: Marine Boat Vent Material: Plastic Size: Approx. 7.62cm / 3in Fitment: Suitable for RVs, yachts, etc. Can be installed if the size is appropriate PackageList: 1 x Marine Air Vent Cover