The Water Filter Straw is a reliable and efficient tool for filtering natural fresh water without the need for chemicals. It has the capability to filter up to 2000 liters of water, providing clean and drinkable water on the go. The versatile design allows for easy setup of a DIY filtration system using common items such as a soda bottle, plastic bag, collapsible bottle, or bucket. Alternatively, you can drink directly from a water source using the straw-like functionality of the filter. For convenient maintenance, the filter is equipped with threads on both sides, allowing for easy backwashing with a 28mm threaded bottle. The 0.1-micron membrane ensures a high removal rate of 99.999999% for bacteria, as confirmed by TUV and SGS testing reports. The Water Filter Straw is made of superior FDA-approved materials, offering impact resistance and an ultra-lightweight design that fits in the palm of your hand. By periodically backwashing the filter, its lifespan can be extended, ensuring long-lasting filtration performance. Stay prepared and ensure access to safe drinking water with the reliable Water Filter Straw.