About N95 masks:
N95 mask can isolate smaller particles, and fit tighter to the face, it is not easy to leak air from the periphery, and the filtration efficiency of particulate matter can reach 95% under standard conditions.
5 Layers Filter function:
1.The first layer: spunbond cloth, filter the dust of micron
2. Lapisan kedua: untuk menapis bahan pencemar industri, ekzos kenderaan, alahan debunga asap tangan - kedua
3.The third layer: activated carbon cloth, benzene and a smaller function of filtering dust microns
4.The fourth layer: filter density, smaller material
5.The fifth layer: Spunbond cloth, filter out all kinds of harmful substances;
