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Q&A Usability difference between 0.1 micron 0.2 micron filter bottles?

We have been using older water filter bottles with charcoal filters. These are easy to drink from a combination of squeeze the bottle and suck will quickly fill your mouth with a swallow of water. ...

1 answer  ·  posted 6y ago by James Jenkins‭  ·  last activity 6y ago by System‭

Question water-purification