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    Pool O-ring O444, Fits Rainbow 320 Chlorinators, Replaces R172319

    Item # ZAPC0140 Manuf.# O-444

      O-444 Generic O-ring Fits Rainbow Pentair 320 Chlorinator Body, Bottom O-ring. O-444 Replaces Pentair part number 172319, 172318. Fits Old and New style Rainbow Feeders, 320 Inline models. This is the bottom O-ring for the chamber or body, where it mounts onto the Tee.

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