Pentair Quad Seal | Triton II Sand Filter & Tagelus Sand Filter | 152516Z Regal Verify your existing engine's part

Verify your existing engine's part number before ordering

punctures and chaffing caused by ladders in your swimming pool

Comfortable conversation lounger

Weir color is not cosmetic — it indicates the skimmer model family this part is designed to fit

Oversized mattress is 3′ wide by 6′ long with a built-in pillow on both sides

Pentair Quad Seal | Triton II Sand Filter & Tagelus Sand Filter | 152516Z Regal Verify your existing engine's partOEM Quad Seal for Pentair Triton II and Tagelus Sand Filters The Pentair 152516Z is the OEM replacement quad seal for the valve adapter on Pentair Triton II and Tagelus fiberglass sand filters. If your filter's multiport or valve adapter connection is weeping water or losing pressure at the valve interface, this is the seal that restores a leak free fit. A quad seal uses a four lobed cross section profile rather than the round profile of a standard O