500ml UltraPress® Purifier - Nature Edition cartridge YKK water-resistant zips

YKK water-resistant zips

as “press time” reaches ~25 seconds (or three years have elapsed since first use) it’s time to replace your purifier cartridge

sediment or tannins

and heavy metals

500ml UltraPress® Purifier - Nature Edition cartridge YKK water-resistant zipsYour new hiking water bottle and purifier in one Note: Every Grayl purifier includes a filter as standard. Compact, fun, and ridiculously easy to use the 500ml UltraPress Water Purifier Bottle fits into any pack pocket (or cup holder), requires zero setup, and makes safe, great tasting drinking water in a mere 10 seconds (3L min). On the go filtration and purification for the hiker, backpacker, camper, emergency prepper or global traveler seeking fast