- 0.1-micron microfilter is tested to protect against harmful organisms, removing protozoa (99.99%) and bacteria (99.9999%) to EPA standards
- 43mm, wide-mouth opening makes for easy filling from any lake, river, stream or faucet
- Cap over the drink nozzle keeps dirt out
- Tested to 1,000 liters; individual results will depend on water quality
- Manufacturer Warranty: Lifetime Workmanship Guaranteed
- Manufacturer Item Number: 8019639
Winner of Backpacker Editors' Choice Award, Runner’s World Gear of the Year Award, and ISPO Gold Awards! The lightweight and compact Katadyn BeFree water bottle and filter gives you the freedom to drink anytime, anywhere. With the BeFree Filter, you no longer have to worry about where your next drink will come from. Just fill up the flask and let the EZ-Clean Membrane do the work. Gently squeeze the flask for instant refreshment. Maintain the EZ-Clean Membrane quickly and easily for longer life and more enjoyment. Simply fill the flask with water, attach the cover and shake free the debris. Or, remove the filter from the flask and swish in any lake, river or stream. And when you’re ready to “hit the road,” the collapsible flask packs small to fit into tight spaces. Just Smash, Stash and Go! Worry less, Discover more, BeFree.