Katadyn BeFree 1.0 L Water Filter Bottle - 33.8 fl. oz.

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The Katadyn BeFree 1-liter water bottle filter gives you the freedom to drink anytime, anywhere. Lightweight and compact, it filters at a rate of up to 2 liters of water per minute.

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Grayl UltraPress Water Purifier Bottle - Compact, fun, and ridiculously easy to use — the 16.9oz UltraPress 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.

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Katadyn BeFree 1.0L Microfilter

Easy to use and quick to work the Katadyn Gravity BeFree 3. 0L Microfilter is your ticket to clean water whether you're thru-hiking the AT or just camping out for the weekend. It features a hollow fiber filter that can process up to 2 liters of water per minute eliminating microorganisms like protozoa and bacteria. The 43mm wide-mouth opening makes for easy filling from lake river or tap and the integrated bail handle and carry loop let you hang it while it filters.