How to choose the face mask type

The order of protective effects of masks: medical protective masks, medical surgical masks, ordinary medical masks, ordinary masks.

1. Ordinary masks such as cotton cloth, sponge, activated carbon, gauze can only prevent dust and smog. Can not prevent the spread of bacteria and viruses.

2. Ordinary medical masks can be used in non-staffed public places.

3. The protective effect of medical surgical masks is better than ordinary medical masks. It can be worn in crowded places in public places.

4. Medical protective masks include N95 / KN95. Used by front-line medical staff in contact with patients with confirmed or suspected new coronary pneumonia Popular clinics, on-site survey sampling, and testing personnel will also be used. It can also be worn in high-density places or closed public places.