Your new hiking water bottle and purifier in one 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-flow purified water for chugging, filling hydration reservoirs, or cooking. Simply—Fill. Press. Drink.™ No more single use water bottles The UltraPress is the perfect hiking and travel water filter and water bottle in one. Adventure ready, take the portable UltraPress water bottle on your next adventure and create your own safe drinking water on the go.