The Grayl Water Filtration Cup looks like a typical water bottle, but it's actually something quite different: a dual-walled cup that you can use to scoop water, filter out impurities and pathogens ...
GeekWire chronicles the Pacific Northwest startup scene. Sign up for our weekly startup newsletter, and check out the GeekWire funding tracker and VC directory. by Taylor Soper on Nov 16, 2013 at 3:00 ...
Most backpacking water filters only take out bacteria and protozoa, but the Grayl filter takes it a step further by also removing viruses. This is especially important if you are traveling to a part ...
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