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What I see is some people reporting that it becomes hard to pump very quickly, so they had to back flush very often.
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The intake hose is attached on the top and its other end (with a pre-filter) you put into the water source. You may attach the tool directly to an MSR or Nalgene bottle. The water is forced through the filter by a mechanical handle. It appears that you might be safe by using this filter. The same holds for the Miniworks microfilter.īelow I give the diameters of typical bacteria which you may expect to find in waters throughout the world: The ceramic filters are typically long-lasting, easy to clean (field maintainable), and they remove everything from water that is of the diameter 0.2 microns (μm) or larger. To put this into a more broad context, you may have a look into my another text where I have described best ways to purify water for drinking, and briefly presented all types of filters used for that purpose. In the US, buy directly at . In EU, please check at Bol.com.