SYS3 ORING .139 X 2.109

The O-Ring for Pentair System 3 Filter -- 0.139-Inch x 2.109-Inch (35505-1428) is a replacement o-ring with 0.139-inch cross section and 2.109-inch inside diameter for the Pentair System 3 modular pool filter. Seals a specific internal joint in the System 3 filter assembly. Replace during filter service or when leaks are detected at this o-ring location. Standard Buna-N rubber provides chemical resistance in pool environments. Compatible with Pentair System 3 modular filter series.

SKU: 35505-1428