1. Durable Construction: The Universal Air hole 316 Stainless Steel Shell Vent is designed with high-quality stainless steel to ensure long-lasting performance and resistance to corrosion, making it an ideal choice for marine environments like yachts and RVs. 2. Efficient Ventilation: This Oil tank ventilation exhaust valve features a 1/2inch size that allows for optimal airflow, preventing pressure buildup and ensuring the safe operation of your yacht or boat's oil tank system. 3. Versatile Application: Perfectly suited for various uses, the Universal Air hole Stainless Steel Shell Vent can be installed in yachts, RVs, and boats, providing reliable ventilation across different types of vessels. 4. Easy Installation: With a user-friendly design, this exhaust valve can be easily mounted, allowing you to upgrade your boat's ventilation system quickly and efficiently without the need for professional assistance. 5. Safety Assurance: Utilizing the Universal Air hole 316 Stainless Steel Shell Vent Oil tank ventilation exhaust valve helps maintain safety standards on your yacht or RV by effectively managing exhaust and air circulation, contributing to overall vessel performance. Colour:Silver Material:Stainless steel Package Contents: 1 x Universal Air hole Oil tank ventilation exhaust valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.