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When I first saw the MSR Guardian and its $350 price tag, I thought it must be an April Fool’s joke. When it comes to backpacking gear, there's a long list of things I would want to spend that much ...

The U.S. military asks them to create water filtration technology designed for troops. Global health nonprofits seek technologies from them to help filter safe drinking water in developing countries.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 7 minutes To ...

Water is the stuff of life, and when you’re exploring in the backcountry, having access to clean H2O is vital. For that, you need a portable water filter. Unlike many home units, systems designed for ...