FAST SHIPPING KN95 Non-Disposable FFP2 5 LAYER Non Woven Face Masks

About KN95 masks:

- The KN95 mask can isolate smaller particles and adapt more tightly to the face. It is not easy to leak air from the periphery and the particle filtration efficiency can reach 95% under standard conditions.

The KN95 mask is not a disposable mask. In this particular case (shortage of resources), it can be reused. But there are conditions:

1. When kn95 receives contamination such as saliva, blood, tears and other bodily fluids, it should be replaced

2. The user obviously feels that the respiratory resistance is greater than before and must be replaced

3. The masks are damaged and must be replaced

4. It is recommended to replace it after using it 4 times.

However, the masks cannot be reused if people go to the hospital, come into contact with an infected person or are suspected of being infected.

5 layer filter function:

1. The first layer: spunbond fabric, filters micron dust

2. The second layer: to filter industrial pollutants, automobile exhaust gases, allergies to used smoke pollen

3. The third layer: activated carbon fabric, benzene and a smaller micron dust filtering function

4. The fourth layer: density of the filter, smaller material

5. The fifth layer: Spunbond fabric, filters all kinds of harmful substances;