Add Some GSI Halulite Utensils for $16.99 (CAD)
Replace the purifier cartridge on your MSR Guardian Filter, or just carry one as a back up.
- Removes viruses, bacteria, and protozoa.
- Comes with clean side cover.
- Hollow fiber filter removing bacteria and protozoa.
- Note: the quality of water will significantly affect the filter’s 10000 liter life.