When used in ROMII or ROMIII Systems, replace the S-101 water filter cartridge annually.
Please note: this cartridge fits into the QL1, QL2, QL3 and QC4 heads. If you have a ProSeries head, please use the ProSeries 1500/2500/3500 cartridges.
- Reduces lead
- Reduces chlorine taste and odor.
- Provides effective pre-filtration for the RO membrane module
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