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Filbur Rainbow Cartridges

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  1. Rainbow Dynamic 35 Sq Ft Filter Cartridge R173431 - FC-2385
    Our Price:
    List Price: $36.99

    ****These filters measure 9-1/4 inches in length. To ensure you are ordering the correct filters please measure your existing filters for a match.****

    This 35 Sq Ft filter cartridge replaces Rainbow (Pentair) part number R173431 and Waterways part number 817-3501. This filter meets or exceeds the original filter cartridge that came with your filter and is made from Reemay spun-bound polyester pleated filter media that features anti-microbial technology which prevents microbes such as mold, fungus, and bacteria from growing on your filters.

    This spa filter cartridge is a recommended replacement for the Rainbow R173431 Filter Cartridge.