The Portable Water Filter Straw is a mini water filter system that turns rain, lake, mountain springs, streams, and river water into drinkable water immediately.
It can be used for activities like travel, hiking, cycling, hunting, camping, expedition, climbing, fishing, survival, military, and emergencies. It has a 0.2 micron hollow fiber ultra filtration membrane and is BPA free. The water filter straw has a portable design which makes it easy to carry. It has a cap with a dust free design and easy operation.