Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Water Features Dimensions are approximately 3-1/4" square

Dimensions are approximately 3-1/4" square with an interior depth of 2-1/4"

This kit contains every O-ring position for the Pentair Slide Valve — one kit services one complete valve

The plaster ring seats against the front face of the niche housing

which degrades rubber — to each O-ring before assembly

Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Water Features Dimensions are approximately 3-1/4" squareThe Pentair Diffuser Assembly (154599Z) is the OEM replacement diffuser for the Triton II Sand Filter model TR60. The diffuser sits at the top of the filter's sand bed and distributes incoming water evenly across the filter media during the filtration cycle. A cracked or damaged diffuser disrupts this distribution pattern, channeling water through a narrow path in the sand rather than spreading it uniformly reducing filtration effectiveness and