Pentair PacFab TR100 Diffuser Assembly (154462) praherplastics Helps maintain a tight seal

Helps maintain a tight seal at the strainer pot

Helps restore proper airflow support

This Waterway trim ring is especially practical when the original Dyna-Flo II gray ring has become cracked

The black body also makes it a cleaner visual match in equipment areas where darker valves and fittings are already part of the layout

Pentair PacFab TR100 Diffuser Assembly (154462) praherplastics Helps maintain a tight sealMade for precise equipment maintenance, this diffuser assembly is useful when keeping older Pentair PacFab systems operating cleanly and reliably. Use it when servicing TR sand filter systems; the right component helps maintain alignment, sealing pressure, and overall equipment performance after the repair is complete. The 154462 component supports sand filter service where internal positioning, air relief, or media flow can affect filtration quality.