1, logo: If you look at the anti-counterfeiting logo of the real mask sideways, you can find that the anti-counterfeiting logo will change color, but the fake one will not.

2, stickers: carefully observe the real mask, you can find that there will be a small sticker in each mask. The fake mask has no such sticker at all, which is very easy to distinguish.

3, steel seal: the steel seal of the real mask is deep, and the fake steel seal is shallow.

Extended data:

Precautions:

In order to give full play to the protective function of the mask, when wearing the mask, try to tighten the elastic band of the mask and press the aluminum sheets on both sides of the nose to reduce the leakage around, and it is best to breathe slowly.

Wear it at the right time. The medical non-woven mask can be used continuously for 6-8 hours, and should be replaced in time in case of the following situations: dyspnea, broken or damaged mask, inability of the mask to cling to the face, contaminated mask (such as blood stains or droplets), use in isolation ward or contact with patients, and peculiar smell.

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