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kn95 mask function

The biggest feature of the KN95 mask is that it can prevent the spread of droplets caused by patients' body fluids or blood splashes. The size of the droplets is 1 to 5 microns in diameter. 3M medical protective masks are divided into domestic and imported. They have the protective performance of medical surgical masks and particulate protective masks. They are special for hospitals. They can filter particulates in the air and block droplets, blood, body fluids and secretions. .

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