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    Pool O-ring O421, Fits PacFab Challenger Diffuser O-ring 355331

    O-421 (O-2015) Generic O-ring Replaces Pentair PacFab Challenger 35-5331 (355331). Also Fits Jacuzzi H4 Booster Pumps 47-0233-04 (47023304R).
      • Item: # ZAPC0131 Challenger Diffuser O-Ring 355331 - O-421 $1.19
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