Grayl

Unrivaled Ease, Speed & Convenience. No other purifier rivals the speed, simplicity and effectiveness of GeoPress. In eight seconds, it makes 24 ounces (710 ml) of safe, clean drinking water anywhere...

Replacement purifier cartridges for the GEOPRESS are designed to last 350 cycles (65 gal. / 250L). Lifespan will decline when purifying water with high levels of silt, sediment or tannins. Cartridge...

The original purifier that put us on the map. It's compact, fits in virtually any backpack pocket and provides global protection from waterborne pathogens (VIRUS, bacteria, protozoan cysts)...