Upgrade your marine sanitation system with the Raritan Piston Rod designed specifically for PHII and PHEII plastic models. This durable piston rod features a high-quality O-ring that ensures a tight seal, preventing leaks and enhancing performance. Crafted from robust materials, it guarantees longevity and reliability in challenging marine environments. Easy to install, this component is essential for maintaining optimal function in your toilet system, ensuring you enjoy a hassle-free experience on the water. Perfect for boat owners looking to keep their sanitation systems in top shape!