Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced …

May 6, 2019 · The MSR Guardian is our favorite hand pump and one of the most reliable options out there. Although it's a little bulky and very expensive, it's super easy to use and filters out …

Fast and easy to use, the MSR Guardian Purifier physically removes viruses, bacteria, protozoa and dirt, so you can stay hydrated on backcountry trips and international travel.

Aug 17, 2025 · Explore our full review of the MSR Guardian water filter, breaking down performance, lifespan, and flow rate.

Mar 23, 2025 · The MSR Guardian remains a top-tier ⁣water purifier, particularly for users who prioritize virus removal and demand exceptional durability. Though, it’s not the perfect solution …

Nov 12, 2025 · Buy the MSR Guardian Purifier System online or shop all Hike & Camp from Backcountry.com.

Aug 14, 2019 · See our in-depth review of the MSR Guardian water purifier, including details on setup and functionality, maintenance, weight, build quality and more.

Nov 2, 2024 · The MSR Guardian is a first-class water purifier that removes viruses, bacteria, protozoa, dirt and silt from backcountry and international water sources. Weighing just 17.3 …

Aug 14, 2025 · The MSR Guardian Purifier was built to cleanse water, wherever you may be. It's heavier than most filters, but will last longer, rarely need to be serviced, gets out viruses and …

MSR's® Guardian™ Portable Water Purifier offers reliable single-step purification for all water types anywhere in the world. Unlike other water purifiers on the market, the Guardian requires …