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Water filters that "fight viruses"? Be careful with such claims

Originally published：2020-04-11

During an epidemic, do not rely on unproven remedies. Water filters advertised as "anti-epidemic" or "anti-virus": true or false? Watch out for sales talk — most such claims do not hold.

There is no test report on viruses, so no virus-removal claim is made.

The social-media comments the original post referred to were not preserved.

First published on the previous website; the Chinese text is the original.

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Image from the original post (2020-04-11): filter materials and pore sizes; the source it cites is named in the image
Image from the original post (2020-04-11): filter materials and pore sizes; the source it cites is named in the image
Image from the original post (2020-04-11): do not rely on unproven remedies; the reference is named in the image
Image from the original post (2020-04-11): do not rely on unproven remedies; the reference is named in the image
Image from the original post (2020-04-11): do not trust exaggerated water-purifier advertising; the references are named in the image
Image from the original post (2020-04-11): do not trust exaggerated water-purifier advertising; the references are named in the image