Drink water anywhere in the world—from local backcountry to remote locales—with the MSR Guardian Gravity Water Purifier. Hang it while you go about your tasks at the hostel, basecamp or campsite.

• Hollow fiber removes viruses, protozoa, bacteria and microplastics
• 2-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors
• 10L reservoir fills easily at sinks and wild sources
• Universal bottle adapter prevents cross-contamination
• Cartridge creates a high-flow, virus-stopping gravity system—up to 1 liter in 2 minutes
• Restore flow by simply opening the purge hose to flush and clean the system
• Rugged, military-grade construction is engineered for travel
• Compact system fits easily in carry-on luggage and smaller packs