Guardian™ Purifier | Filters & Purifiers | MSR
Ultimate Protection: Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from "worst-case" water conditions. Fast & Easy: Pumps a rapid 2.5 liters per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting. Self-Cleaning: Pump self-cleans on every stroke, providing ...
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