Two pieces boat One Way Drain Valve

1. One-way circulation design, allows water to flow out and prevents outside seawater from flowing back into the hull.
2. Complete assembly includes flange base, flip cover and matched sealing gaskets for easy installation.·
3. Built-in reliable sealing structure, effectively reduce water leakage under navigation conditions.
4. Premium hard plastic material, resist seawater corrosion, durable for long-term marine use.
5. Pre-drilled mounting holes, widely fit fishing boats, yachts, kayaks and inflatable watercraft.