How to Backwash Backwashing is essential for keeping the Filterstraw in good condition and making it easy to use multiple times. After drinking, blow air through the mouthpiece frequently, or drain the Filterstraw by shaking out as much water as you can. After using, remove the mouthpiece, and flush it with clean water. (A standard water bag can be used, or a pop bottle with a standard thread diameter of 27.5mm can be filled with clean water for backwashing the Filterstraw). Cap the filter tightly after it has dried. Note: Do not use chemicals to clean the Filterstraw because they will shorten the service life of the carbon fiber filter. Working Principle There are many micro-fibrous tubes in the 0.1-micron hollow fiberfilters. They can prevent harmful substances from going through the outer walls of the tubes while the water can pass through them easily. The principle of micro-fibrous tubes is similar to medical dialysis technology. Therefore, the water going through filterstraw can be clean and safe enough.

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