Mothership on X: A non-exhaustive list of HSA-approved surgical masks with 95% bacterial filtration efficiency as of May 19. / X

NIOSH Approved N95

HSA Approved Surgical Mask Brands: Protect Yourself with Confidence! - Kaizenaire

Filtration efficiency of medical and community face masks using

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Environmentally friendly and antimicrobial bilayer structured fabrics with integrated interception and sterilization for personal protective mask - ScienceDirect

PHG PROTECTIVE HEALTH GEAR N95 Particulate Filtering Respirators, NIOSH Certified, MADE IN USA, For Medical & Personal Use, Head-Straps, 20 Individually Wrapped Masks : Tools & Home Improvement

HSA Approved Surgical Mask Brands: Protect Yourself with Confidence! - Kaizenaire

3M 1860S - McKesson Medical-Surgical

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