N95 And KN95 – What’s The Difference!

With such a similar name, it may get confusing at times to understand the primary differences between N95 and KN95 masks. The N95 facial masks are the US standard respirator masks, while the KN95 are the Chinese standard facial masks. As per the manufacturers, it is viable to consider the KN95 masks equal to US N95 masks. Most of the mask standards are similar. You may Click Here to know more about the standards of masks and their differences.

Users are always concerned about the percentage of particles that the mask can capture. According to Metrics, KN95 and N95 masks are the same as both the masks are rated to capture up to 95% of small particles, or 0.3-micron particles. Apart from capturing 0.3-micron particles, both the facial masks are efficient in preventing virus transmission.

Difference Between N95 and KN95 Masks

Both the ratings require the facial masks to be lab tested for efficiency in the filtration and capturing salt particles. Both the masks were tested at the flow rate of 85L/minute, and some of the major differences were highlighted below. 

  • To certify the masks as KN95 masks, the Chinese government need the producer to run special mask fit test on humans with more or less than 8% leakage. However, the N95 respirator mask needs no such fit test before launching it for humans. 
  • The N95 respirator masks are quite stricter in requirements compared to KN95, especially for pressure drop when inhaling. It means that they are likely to be more breathable as compared to KN95 masks. 
  • The N95 respirator masks are also stricter in requirements for pressure drop when exhaling. It enhances the breathability of the masks and makes it safer for all.     

Both KN95 and N95 masks are rated to capture up to 95% of particles, and both are considered safe to prevent virus transmission. Click Here to learn more about these facial masks before buying one.     


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Corine Jones is a writer, editor and web designer. She graduated from the University of Pennsylvania with a degree of Journalism. She is currently the editorial manager of Coyote Rescue.

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