The outer layer of respirator ffp3 often accumulates a lot of dust, bacteria and other dirt in the outside air, while the inner layer blocks exhaled bacteria and saliva. Therefore, the two sides cannot be used alternately, otherwise the dirt contaminated by the outer layer will be placed directly on the tight surface. Inhale the human body when sticking the face and become a source of infection. When not wearing the respirator ffp3, it should be folded and placed in a clean envelope, and the side close to the mouth and nose should be folded inward. Do not stuff it into your pocket or hang it around your neck.
If the respiratory ffp3 is wetted by exhaled heat or saliva, its ability to block germs will be greatly reduced. Therefore, it is best to prepare a few more masks in order to replace them, and they should be changed and washed once a day. When washing, it should be scalded with boiling water for 5 minutes.
The respirator ffp3 should be cleaned and disinfected every day. Whether it is a gauze mask or an air filter mask, it can be disinfected by heating.
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