3M Many protective masks are packaged with anti-counterfeiting labels, which can help to judge the authenticity. For example: 3M 942 anti-particle mask, 3M 91 anti-particle mask, etc. The identification method of masks with anti-counterfeiting labels is as shown in the figure:

Note: some imported products of 3M do not have anti-counterfeiting labels, such as 3M 8822 anti-particle masks. Consumers need to be cautious in purchasing products without anti-counterfeiting labels. It is recommended to purchase them through 3M authorized channels or direct channels, and do not enter unauthorized channels to buy fakes because they are cheap.

storage replacement:

1. users should read the product instructions carefully to understand the relevant requirements. Unused masks should be stored in the original packaging, and used masks should be stored in breathable bags, such as clean paper bags.

2.3m protective masks can usually be reused, but if you are worried that repeated use will lead to disease infection, you should use them once and discard them.

3. In any case, when the mask becomes dirty, the parts of the mask are damaged, or the respiratory resistance is obviously increased, it should be replaced in time.

the 4.3m protective mask cannot be washed before use.

Extended information:

Applicable people:

At present, 3m's protective masks are all designed for healthy adults.

if people with chronic diseases such as heart and lung diseases and other people with special physical conditions plan to use it, please consult a professional doctor first to see if it is suitable for use.

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