The 8 liter gravity bag is perfect for storing and purifying a large quantity of water ideal and very practical for groups on long hikes, base camps, or emergency situations. It is made from durable and lightweight materials, ensuring both strength and portability.

The filtration technology of the LifeStraw Flex Gravity Bag includes a multi-stage system . The first stage is a hollow fiber filter which eliminates 99.999% of bacteria , 99.999% of parasites and microplastics , protecting against the main aquatic contaminants. Then, an activated carbon filter improves the taste of the water , reduces chlorine and bad odors , as well as volatile organic compounds and pesticides. This combination not only ensures safety but also the sensory quality of the water.

Compact and easy to use, the LifeStraw Flex Gravity Bag sets up quickly and begins filtering water simply by the force of gravity. Simply fill the bag, hang it at an appropriate height, and let the system do the work. This allows you to continue your activities or rest while your water is purified without additional effort.