In fact, the homemade masks actually got 5.8% more effective at filtering virus-sized particles after 3 hours. From this, we can conclude that wearing homemade masks for several hours won’t reduce their effectiveness.
Click here to read the original article on Can DIY homemade masks protect us from coronavirus: https://smartairfilters.com/en/blog/diy-homemade-mask-protect-virus-coronavirus/
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