Simple Rubber Band can Improve Surgical Masks to N-95 Level Protection - MY HEALTH TODAY

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Friday, August 26, 2022

Simple Rubber Band can Improve Surgical Masks to N-95 Level Protection

Mask to Protect against COVID-19: Just a rubber band is enough to improve a surgical mask seal to N-95 respirator levels.

from Medindia Health News https://ift.tt/Pj86tsY
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