Fresh drinking water is one of our top priorities for survival.

Grayl's purifiers for safe drinking water anywhere

GRAYL’S GEOPRESS AND NEW SLIM ULTRAPRESS PROVIDE SAFE DRINKING WATER ANYWHERE

STORY AND PHOTOS BY MIKE TRAVIS

In the hierarchy of human needs, water ranks within the top three. On average, we can survive about three days without drinking which means, no matter who you are or where you find yourself, getting fresh drinking water is a top priority. Fresh drinking water is one of o                        <div id=

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