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What's the difference between KN95 masksand N95 masks?

KN95 masks:

KN95 masks are actually masks that meet the requirements of China's GB2626 standard, GB stands for national standard.

Standard non-oily particulate filtration efficiency ≥95%.

N95 masks are NIOSH certified as having a filtration efficiency of 95% or greater for non-oily particulate matter.

KN95 and N95 masks should be worn correctly:

Before wearing KN95 and N95 masks, they should wash their hands before wearing them. The light color is inside, and the metal strip is on the top. Do not wear this wrong, for it will not play a protective role.

Special circumstances require timely replacement:

In some special cases, it can not be worn for a long time. 

1.It's hard to breathe.

2. The mask is broken.

3. Masks are contaminated.

4. Smell inside the mask.

5. The mask can no longer fit the face.

These situations require timely replacement.

Conclusion:

1. KN95 mask is actually a mask in accordance with the national GB2626 standard.

2. N95 masks are NIOSH certified by the United States, and the standard is also the filtration efficiency of non-oily particulate matters ≥95%.

3. KN95 and N95 masks should be worn correctly.

4. For normal use of KN95 or N95 masks, one can be replaced within 4 hours.

5. It shall be replaced in time under special circumstances.

Tips： 

If you are under coronavirus, you need to wear A KN95 or N95 mask actively.