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http://www.cciola-jacket.com/knitted/ KN95 mask refers to KN95 standard, and follow the respiratory protective equipment GB2626-2006 standard masks KN95 is the state administration of quality supervision, inspection and quarantine bureau released by the national standardization management committee of respiratory protective equipment standards, not a specific product name such mask characteristic can be prevented by the patient's body fluids or blood spatter caused by droplet infection.
KN95 respirator is a respirator with a respirator brake. The function of the respirator valve is to work in hot and humid or poorly ventilated or laborious working environment. The respirator with a respirator valve can help you feel more comfortable when yo

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