MSR Guardian Gravity Purifier

Reading a paperback and relaxing as gravity does the work of purifying your water? Sign me up!

The Guardian Gravity Purifier has you covered with safe water around the world, removing viruses, bacteria, protozoa, sediment and microplastics hands-free. Simply hang it while you go about your tasks at the hostel, basecamp or campsite—its 10L reservoir supports the daily water needs of multiple people. Originally designed to protect servicemembers in the field, this rugged purifier handles the abuse of travel and meets the NSF P248 military testing standard.

Specs

• Hands-free gravity purifier system with a 10 liter reservoir
• 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
• Guardian devices are the market’s only purifiers to pass the military standard P248 testing for virus removal
• Includes zipped carrying case