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For more information on the proper selection, use, and maintenance of respiratory protection, please see the United States (US) OSHA standard for respiratory protection (29 CFR 1910.134), EN 529 Respiratory protective devicesRecommendations A surgical mask is an infection control device designed to help prevent the spread of infection

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You don’t know who is infected with COVID-19 on the street. If you and your family do not want to be infected, wearing a mask is the best way. Global mask products are in short supply, if you need, please buy as soon as possible. KN95 Mask Product Description Features:* KN95 level protection,filtering efficiency up to 95%, PM 2.5 pollution ash.

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You don’t know who is infected with COVID-19 on the street. If you and your family do not want to be infected, wearing a mask is the best way. Global mask products are in short supply, if you need, please buy as soon as possible. KN95 Mask Product Description Features:* KN95 level protection,filtering efficiency up to 95%, PM 2.5 pollution ash.

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