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Layers: For high protection effects, most of the face masks are made of 3ply(PP+Filter paper+PP).
And the higher weight(gsm) of each layer, the higher BFE it gets.
The weight(gsm) can be customized according to customers' requests.
Used by professional surgeons and dentists.
Offering superior levels of protection choose from a wide selection of face masks and face protection.
Delta P < 5.0 mm H2O/cm2.
Conform to FDA 510K (No:K101000).
Proction guaranteed with over 99% bacterial filtration.
Adaptable nose bar,fiberglass free,latex free.