The lifestraw personal water filter is a lightweight compact piece of kit that ensures you always have access to clean drinking water the internal filter protects from almost all waterborne bacteria and protozoa without leaving any aftertaste it is easy to clean and carry and aligns with all safety standardsr r the lifestraw is operated by submersing the end directly into the water source and then being pulled straight through to the mouth ideal for backpacking travelling and backcountry e