Behind the Guardian Purifier’s Technology & Design

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Your Trusted SourceMSR engineers designed the new Guardian purifier to be the safest and easiest way to purify water virtually anywhere on earth. Achieving such a high degree of performance required advancements in technologies, and a great deal of engineering ingenuity. After six years of R&D, with expertise provided by our water research lab, the result became the world’s most advanced backcountry water treatment device. The Guardian purifier is able to transform even very challenging water so

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MSR YouTube Tips: Condensation In Tents

Fall is here and nighttime temperatures are dropping in the regions where many of us live and play. This change in temperature brings up a question our tent team hears all the time: Why is the inside of my tent wet in the morning, even when it’s dry outside? The answer is phase change! This MSR video explains the phenomenon as we experience it in the backcountry. It also covers what you can do to reduce condensation in your tent. And for those of you who don’t take condensation seriously, trust us it can be in tents!

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