NanKeFu Medical Equipment Co., Ltd.'s "KeFu KN95" masks may belong to the general dust masks, not as a medical device registered for wear in the general environment, consumers should be careful to choose.
The mask is a hygiene product, generally referred to as worn in the nose and mouth parts used to filter the air into the nose and mouth, in order to block harmful gases, odors, droplets in and out of the wearer's nose and mouth appliances to gauze or paper, etc. made.