What Our Gearhead(R) Experts Are Saying: "I bring the GEOPRESS when I don't want to think twice about water sources. It's fast, intuitive, and handles everything from questionable streams to sketchy taps while traveling. The press action is quick and surprisingly comfortable, and the taste improvement is noticeable right away." When clean water isn't guaranteed, the GEOPRESS Water Purifier keeps us moving with confidence. Grayl designed this purifier for real-world travel and backcountry use, letting us turn questionable water into safe, great-tasting drinking water in seconds. From alpine streams to overseas taps, it's built to handle places where hydration usually comes with hesitation. We rely on the simple press-action design to purify 24 ounces in as little as eight seconds, eliminating viruses, bacteria, protozoa, chemicals, and heavy metals in one smooth motion. The TopoGrip exterior provides a secure hold while filling, and Softpress pads make the pressing process comfortable even after a long day. Durable, fast, and easy to use, the GEOPRESS is a go-to solution for trips where safe water can't be taken for granted.