1、LONG DURABILITY: Made from engineering grade ABS material, this ventilation lid offers excellent weather resistance, stability, and impact resistance, making it suitable for various outdoor environments. 2、ADJUSTABLE AND SEALED: Equipped with a stainless steel support rod that can be adjusted from 0‑31.5°, this roof vent ensures proper angle support. Comes with a seal strip to ensure water resistant sealing. 3、EFFECTIVE AIR CIRCULATION: Easily exchange indoor and outdoor air with this roof vent, providing clean air for your vehicle interior. Ideal for installation in bathrooms, kitchens, warehouses, and rest areas. 4、DEBRIS BLOCKING: 340x340mm opening size and suitable for top mounting, equipped with stainless steel net screen, effectively prevent flying objects and debris from entering the compartment. 5、VERSATILE USAGE: Solve roof damage and leakage issues with this roof vent, suitable for marine boats, yachts, RVs, trailers, motorhomes, and more. Improve ventilation while repairing leaks in your vehicle interior.