This water filter filters up to 2000 liters of natural fresh water without using any chemicals. That is 2000 liters clean and drinkable water in the backpack on the go. It is easily set up a DIY filtration system by attaching on 28 mm thread soda bottle like Coca-Cola bottle, plastic bag, collapsible bottle or bucket. Or drink directly from a water source like a straw. A silicone gasket around the mouthpiece helps to create airtight backflow for backflushing. 0.1-micron membrane ensures a 99.999999% removal rate of bacteria. TUV and SGS testing reports. FDA approved. Impact resistance and ultra-light fit in the palm of your hand. Lifespan can be extended by backwash.
Good choice for camping, hiking, fishing, scouting, travel, military, survival use, or emergencies.