Guardian Gravity Purifier

MSR Guardian Gravity Water Purifier Features:

• 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.
• Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors.
• 10 -liter reservoir is easy to fill at sinks and streams alike; covers daily water needs for drinking, cooking and hygiene.
• No backflushing required—simply opening the purge hose flushes the system to clean it and maintain 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.
• 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.
• Weight: 1lb 3oz