The MSR TrailShot Replacement Filter Cartridge restores the flow rate and effectiveness of your TrailShot Microfilter (sold separately). The hollow-fiber filter cartridge is effective against bacteria, protozoa, and particulates and can be used to treat up to 2,000 liters of water.
California residents: view proposition 65 WARNING
- Refreshes the flow rates of your TrailShot Microfilter
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