KN95 is an industrial manufacturing standard meaning our masks are effective against 95 percent of particles with a mass median diameter of 0.3 micrometers or larger. Properly worn masks can protect very well against PM10, PM2.5, and smaller particles. BFE>95% (Bacterial filtration efficiency).
This mask features an Exhalation valve that can be useful in dissipating humidity, heat, and carbon dioxide from the inside of KN95 respirator facepiece and decrease exhalation resistance, thereby making the respirator more comfortable and less demanding for the user to breath.
The KN95 Face Mask can help reduce exposure to biological substances, such as bacteria and viruses. Please note however that wearing a mask cannot eliminate the risk of infection as it depends on the proper fit of the wearer.
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