TGI-525 & 525-P Five Stage 50 gpd RO Replacements

The TGI-525 & 525-P Five Stage RO Systems use a sediment prefilter, two carbon block prefilters, a 200359 TFC membrane, and an inline GAC postfilter.  Fresh Water Systems offers economical replacement cartridges compatible with TGI-525 & 525-P Reverse Osmosis Systems.

StageDescriptionMfg. Part #FWS Part #
Stage 1Sediment Prefilter 5 micIF-SP-1005MB-25098-05
Stage 2Carbon Block PrefilterFI-CTO010CTO1-2510
Stage 3Carbon Block PrefilterFI-CTO010CTO1-2510
Stage 4TFC Membrane 50 gpdMM-TFF45/75200359
Stage 5Inline GAC Postfilter 3/8" QCFI-CBA010J.38K2540-BB


Note: Please remove the elbow fittings from your existing inline postfilter and install on your new replacement inline filter with some teflon tape. If you need to replace these fittings you can purchase two of the Parker Liquifit Fixed Elbow - 3/8" x 1/4" NPTF.

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