Answer
Aug 11, 2020 - 06:06 AM
Hello. Between your mouth and the valve is 2 layers of fabric and a filter.
Thanks!
Valves
Do the valves on your masks allow the wearer's droplets to escape, therefore exposing the public? Thank you.
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Open Aug 09, 2020 - 06:04 PM
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Washable Face Mask Reuseable Cotton three layers w valve and PM2.5 Filter
Washable Face Mask Reuseable - Has three layers of cotton with valve and PM2.5 Filter The CDC (Center for Disease Control) recommends: The Use of Cloth Face Coverings to Help Slow the Spread of COVID-19. Aerosolized coronavirus can remain in the air for up to three hours. (source: Harvar...
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