MSR - Guardian Purifier - Water Filter

Featuring the advanced technologies of our original Guardian purifier, this gravity-powered brother provides you with safe water all over the world - from home to remote villages. Hang it up while you go about your duties at the hostel, base camp or campsite. Its 10-liter container covers the daily water needs of several people. Originally designed to protect soldiers in the field, this rugged water purifier can withstand the rigors of travel and meets military testing standard NSF P248.

Ultimate protection against viruses: Meets NSF P248 military testing standard for removal of viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics under 'worst-case' water conditions.

Better tasting water: Two-stage purifier with activated carbon to reduce chemicals and unpleasant tastes and odors.

Easy to fill: The 10-liter container is easy to fill at sinks and streams and covers daily water needs for drinking, cooking and hygiene.

Easy cleaning: No backwashing required - simply open the flush hose to clean the system and maintain flow.

High flow: State-of-the-art cartridge creates a fast gravity system that stops viruses - up to 1 liter in 2 minutes.

Designed for travel: Robust, military-grade construction. The compact system fits easily into hand luggage and smaller backpacks.