KN95 Protective Face Masks x 40
About KN95 masks
KN95 mask capable of isolating smaller particles, and in a narrower shape for the face, it is not easy to leak air from the periphery, and the filtration efficiency of particles can reach 95% in standard conditions.
1. when Kn95 receives contamination such as saliva, blood, tears and other body fluids, it must be replaced.
2. The user feels that the breathing resistance is greater than before and needs to be replaced.
3. Masks are damaged and must be replaced.
4. It is recommended to replace it after using it 4 times.
However, masks cannot be reused if people go to the hospital, make contact with an infected person, or are suspected of being infected.
4 layers of Filter function:
1. The first layer: spunbond cloth, filter the micron dust.
2. The second layer: to filter industrial pollutants, automobile exhaust gas, second-hand smoke pollen allergies.
3. The third layer: activated carbon cloth, benzene, and a smaller micron dust filtering function.
4. The fourth layer: density filter, smaller material.