OPTIMUM PORE SIZE: Our pore size is 0.176 microns. We all know that the smaller pore size, the higher the filtering accuracy, but the lower flow rate. Also we know that a 0.2 micron aperture is enough to filter out 99.99999% of the tiny material.
The Portable Water Filter Straw Purifier is ideal for camping, hiking, and emergency situations where clean water is crucial.
