MSR Guardian Gravity Purifier

• Meets NSF protocol P248 military testing standard removes viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment & microplastics from "worst-case" water conditions
• Easy to fill at sinks and streams alike, with a 10-liter reservoir to support the daily water needs of multiple people for drinking, cooking and hygiene
• 2-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors
• Cartridge creates a high-flow, virus-stopping gravity system up to 1 liter in 2 minutes
• No backflushing required to clean'simply opening the purge hose flushes the system to clean it and maintain flow
• Rugged, military-grade construction is engineered for travel
• Compact system fits easily in carry-on luggage and smaller packs

Made in USA.