American/Pentair/PacFab Back Up Ring [FNS/Quad DE/CC] (195339)

Back up rings help reinforce sealing assemblies so gaskets and o-rings can perform more reliably under pressure.

This American/Pentair/PacFab Back Up Ring [FNS/Quad DE/CC] (195339) is engineered for DE filters & parts applications, where maintaining dependable sealing support is essential to overall system reliability. It helps stabilize the sealing assembly in compatible filter systems, supporting better pressure retention and leak resistance during operation.

Constructed for durability in pool and spa environments, this component is built to withstand pressure changes, water exposure, chemicals, and service conditions. Its dependable design helps reduce seal distortion and supports long-term equipment performance.

Replacing worn, distorted, or damaged back up rings helps restore sealing integrity, improve filter reliability, and extend the service life of surrounding components.

• Supports dependable seal reinforcement
• Engineered for durability and proper fit
• Helps maintain reliable filter pressure retention
• Compatible with pool and spa service applications
• Ideal for repair, rebuild, or replacement