MSR Guardian Gravity Water Purifier

The MSR Guardian Gravity is a hands free water purifier which removes bacteria and viruses for safe drinking water anywhere in the world.

The Guardian Gravity Purifier has you covered with safe water around the world, removing viruses, bacteria, protozoa, sediment and micro plastics.  The hands-free design means you can relax white gravity works to produce your clean drinking water.
Simply hang it while you go about your tasks at the hostel, base camp or campsite—its 10L reservoir supports the daily water needs of multiple people.
Originally designed to protect service members in the field, this rugged purifier handles the abuse of travel and meets the NSF P248 military testing standard.

•    Ultimate Virus Protection: 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.
•    Better-Tasting Water: Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odours.
•    Easy to Fill: 10 -liter reservoir is easy to fill at sinks and streams alike; covers daily water needs for drinking, cooking and hygiene.
•    Simple Cleaning: No back flushing required—simply opening the purge hose flushes the system to clean it and maintain flow rate.
•    Fast-Flow Rate: Up to 1 litre in 2 minutes with optimal reservoir hang height of 6 feet, 2.5x faster than the next leading gravity purifier.
•    Engineered for Travel: 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.

*Meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
Made in the USA of US and Imported Materials

ULTIMATE PROTECTION MADE EASY
10 L reservoir covers your daily water needs, from cooking to cleaning to hygiene
Advanced hollow fibres feature pores so small they block viruses, the tiniest threats

Activated carbon reduces chemicals and odours for better-tasting water
Purifies 1 litre in just 2 minutes with optimal reservoir hang height of 6 ft.
Military-grade durability withstands demanding use and travel
Packs down to fit in carry-on luggage and smaller packs.

All MSR filters pass P231 for removal of bacteria and protozoa, and our Guardian Purifiers are the market’s only to pass the military standard P248 testing for virus removal.
NSF Protocols P231 & P248
Microorganisms in backcountry water can pose an immediate risk to your health. NSF P231 and P248 are the most rigorous scientific standards for proving a device safely removes these microbes from challenging wilderness sources. These standards confirm the device’s effectiveness throughout the entire life of its filter.

SKU: 13460
Colour: Grey
Weight: 0.53 kg
Width: 10 cm
Length: 30 cm
Height: 10 cm
Effective against bacteria: Yes
Effective against chemicals/toxins: No – A carbon component reduces some chemical contaminates such as herbicides, pesticides, and volatile organic compounds (VOCs). However, MSR filters or purifiers will not protect you from high chemical concentrations or heavy metal contamination.
Effective against particulate: Yes
Effective against protozoa: Yes
Effective against viruses: Yes
Filter media: Advanced Hollow Fibre
Filter pore size (microns):  0.02
Flow (L/min):   0.5 litres per min
Cartridge life: 3,000+ litres
Field cleanable: Yes
Field maintainable: Yes
Water Bottle Adapter: Yes
Cartridge replacement indicator: Yes
Material(s): UF Hollow Fibre, ABS
Country of Origin:  Made in the U.S.A. of U.S. and Imported Materials