1.Our KN95 Face Mask is  similar to the American N95 certified mask.

2.KN95 is an industrial manufacturing standard meaning our masks are effective against 95% 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.

3.BFE>95% (Bacterial filtration efficiency).

4.This mask features an Exhalation valve that can useful in dissipating humidity, heat, and carbon dioxide from the inside of KN95 respirator facepiece and decrease exhalation resistance, making the respirator more comfortable and less demanding for the user to breath.