The LifeStraw filter is made of two filter elements. Water very first passes by way of a hollow fiber membrane filter—a tangle of slim polymer tubes with 0.two-micron pores of their partitions. These pores entice bacteria, parasites, and all nevertheless the incredibly greatest sediment Which might be in the water. https://alkaline-water-filter43219.blogaritma.com/22106210/ph-alkaline-for-dummies