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Nov 27, 2015 Particulate matter (PM2.5), refers to particles in the air that cause pollution. These particles are from a variety of sources, both indoors and outdoors. Even at moderate levels, it can still be harmful to sensitive people and the use of a pollution mask is recommended. Though the atmosphere will always have PM2.5, certain levels are

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Mar 03, 2020 The No. 1 way to prevent coronavirus isn't wearing a face mask "Facemasks should be used by people who show symptoms of COVID 19 to help prevent the spread of

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Can a Face Mask Protect You From Coronavirus? Experts

Feb 27, 2020 The number of novel coronavirus (a.k.a. COVID 19) cases continues to climb. More than 90,000 illnesses have been identified worldwide, while more than

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Place of OriginCANGZHOU, CHINA Model NumberMedical face mask Product nameMedical face Mask Colorblue MaterialNon woven Fabric UsagePersonal Respiratory Protection FunctionAnti dust,Covid 19,PM2.5 Packing50pcs/bag,10bags/box AdvantageConvenient Respiratory Protection Packaging & Delivery Selling UnitsSingle item

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