Hayward Filter, Swim Clear, Generic Bulkhead Replacement O-Ring. Same as: SX220Z2
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<b>[Product Information]</b><br>
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<li>Fits Max-flo II pump series SP2700X models SP2705X7(EE), SP2707X10/2, SP2710X15/2, SP2715X20/2</li>
<li>Also fits Hayward Pro-grid Vertical Grid D.E and swimclear cartridge filter series models DE7220, C5030, C3025</li>
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