Grayl

Replacement purifier cartridges for the UltraPress are designed to last 300 cycles (40 gal. / 150L). Lifespan will decline when purifying water wit...

Compact, fun, and ridiculously easy to use - the 16.9oz UltraPress Purifier Bottle fits into any pack pocket (or cup holder), requires zero setup, ...

Unrivaled Ease, Speed & Convenience. No other purifier rivals the speed, simplicity and effectiveness of GeoPress. In eight seconds, it makes 2...

Replacement purifier cartridges for the GEOPRESS are designed to last 350 cycles (65 gal. / 250L). Lifespan will decline when purifying water with ...