MSR Guardian Gravity Purifier

Clean Water is Essential - Be Prepared with the MSR Guardian Gravity Purifier

No matter where you are in the world, the Guardian Gravity Purifier makes sure you have safe drinking water free from bacteria and viruses.  Whether you are outdoors or in developing country this 10L reservoir supports your needs.  Designed to protect those out in the field, this rugged and travel friendly purifier is easy to fill and packs into it's own travel case.

Cleaning is simple too. Just open the purge hose to flush the system clean and maintain flow - no backflushing needed.  An activated carbon filter effectively removes contaminants from water plus reduces odors.

Performance Details:

• Ultimate Virus Protection: Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions.
• Better-Tasting Water: Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors.
• Easy to Fill: 10 -liter reservoir is easy to fill at sinks and streams alike; covers daily water needs for drinking, cooking and hygiene.
• Simple Cleaning: No backflushing required—simply opening the purge hose flushes the system to clean it and maintain flow rate.
• Fast-Flow Rate: Up to 1 liter in 2 minutes with optimal reservoir hang height of 6 feet, 2.5x faster than the next leading gravity purifier.
• Engineered for Travel: Rugged, military-grade construction. Compact system fits easily in carry-on luggage and smaller packs.
• NSF P248 Testing Standard: The most rigorous scientific certification for proving a treatment device safely removes claimed contaminants from challenging wilderness water sources. Guardian devices are the market’s only purifiers to pass the military standard P248 testing for virus removal.
• Meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers

Details & Specifications