Pentair/PacFab Challenger 1.0HP Diffuser (355077) haywardpool The CMP in-ground vinyl liner

The CMP in-ground vinyl liner light adapter sealing ring is designed for compatible vinyl-liner lighting applications where the sealing ring needs replacement

Maintains reliable system operation

Helps restore proper water-routing flow path

A diffuser is useful because it works directly with the impeller to manage internal water flow and helps the wet end operate with the balance and efficiency it was designed to have

A union like this is useful where the line needs to remain removable for service while still maintaining a clean rigid-plumbing layout on both sides of the connection

Pentair/PacFab Challenger 1.0HP Diffuser (355077) haywardpool The CMP in-ground vinyl linerThe Pentair PacFab 355077 diffuser is designed for compatible Challenger 1. 0 HP pump applications where the diffuser needs replacement. A diffuser like this is useful because it helps control water flow through the wet end and supports the hydraulic relationship between the impeller and surrounding housing. Replacement is often helpful when the original diffuser is cracked, worn, or damaged during a rebuild. Installing the proper Pentair PacFab