Pentair Pipe Assembly SD70 | Sand Dollar SD70 / Cristal-Flo II Filter Systems | 152000 FC9440 This O-ring is specified for

This O-ring is specified for Ultra-Flow strainer units manufactured after November 1994

Also known as: CCXAG

It includes the 400

Pro Tip: The C-2613's symmetrical 1 1/16" inner diameter on both ends is designed to slide over a center core or standpipe within the housing

Pentair Pipe Assembly SD70 | Sand Dollar SD70 / Cristal-Flo II Filter Systems | 152000 FC9440 This O-ring is specified forThe Pentair Pipe Assembly SD70 (152000) is the OEM replacement pipe assembly for the Cristal Flo II High Rate Sand Filter (24 inch tank) and the Sand Dollar SD70 Sand Filter. The standpipe is the central internal tube that channels filtered water from the laterals at the base of the filter tank up through the valve and back to the pool. A cracked, warped, or improperly seated standpipe allows unfiltered water and sand to bypass the lateral assembly