The MSR Guardian Water Purifier Pump is designed to be the safest, easiest way to purify water. It’s engineered to withstand freezing and harsh environments. With its long-lasting performance and revolutionary self-cleaning ease, the Guardian Pump may be the only water treatment device you’ll ever need.
- Stands up to heavy use and extreme environments
- Hollow fibers withstand freezing
- Purifies 2.5 liters per minute from nearly any source and treats up to 10,000 liters.
- Self-cleaning
- Meets NSF protocol P248, testing standard used by U.S. military
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