It filters 95% of particulate matter, just like the N95 mask, says Dr. Nina Shapiro, a pediatric ear, nose and throat specialist at Westside Head and Neck in California. KN95 masks are the Chinese ...
They’re designed to filter out at least 95% of small and large ... against your face to prevent gaps around the sides of the mask, nose and chin, according to the CDC. “N95 respirators will ...
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