The lifestraw water bottle filter adapter allows a lifestraw filter to be installed inside a klean kanteen, nalgene, camelbak or hydroflask bottle. Your go Lifestraw Water Bottle Water Filter Adapter Description A water filter helps ensure clean drinking water anywhere. Transform your classic water bottle into a water bottle with a filter thanks to the filter adapter from Lifestraw establishments. This is a Lifestraw universal adapter also known as Lifestraw Universal and fully compatible with all of the following brands: Klean Kanteen and Nalgene as well as Camelbak and Hydroflask. In just a few seconds, your bottle becomes a real water filter and provides you with drinking water regardless of its source (except seawater). The weight of the Lifestraw system is 94 grams. The Lifestraw water bottle filter adapter in detail: Safely drink water from a river, lake or any source: the Lifestraw system makes the water in your bottle perfectly drinkable and completely free of all germs, bacteria and viruses . Very useful in France and abroad to never run out of water, it is the ultimate solution in terms of portable drinking water supply. The Lifestraw system filters the water using a powerful hollow fiber filter membrane (to eliminate all micro-organisms of all kinds) combined with a carbon filter (to eliminate odors and bad tastes). The autonomy of the Lifestraw filter is quite considerable: 4000 litres. You can travel and stay hydrated with confidence. Lifestraw Guarantee Lifestraw equipment is systematically guaranteed for two years against any defects in material and workmanship.