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    Pentair Rainbow LifeGard Lid to Housing Oring, Fits HC-33x, R172240

    Item # ZPEN7370 Manuf.# R172240

      O-Ring Lid to Housing For Pentair Rainbow High Capacity CH Commercial Chlorinators, HC-33X Models. Does Not Fit Residential Models 300/320. 5-7/8 In Diameter. Made with Viton Rubber to withstand Chlorine. R172240 Can also be found on The Rainbow CH Parts Page

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