The Watts Fluidair PPRV50 Solstar O-Ring is a high-quality sealing solution, packaged in a box of 20 pieces. These O-rings are designed for use in various fluid control applications, providing reliable sealing to prevent leaks. Made from durable materials, they offer excellent resistance to wear and tear, ensuring longevity in demanding environments. Ideal for use in HVAC systems, pumps, and valves, these O-rings meet industry standards for quality and performance, making them a dependable choice for maintenance and repair tasks.