Fri. May 7th, 2021

1 thought on “ලෝකෙටම හුස්ම දෙන්න ලංකාවෙන් SMART MASK

  1. The article says the mask is capable of filtering 98% of particles bigger than 1 micron which is 1000 nm. Viruses are smaller than 1 micron and are in the nano meter regime and according to this news paper article this mask has only 2% chance of filtering viruses. According to the article this mask is only effective for bacteria and not for viruses such as the Corona virus.

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