Kn95 active carbon mask, anti foam, anti virus, haze, anti infection...
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The first layer: breathable plastic layer, which fits the face contour and blocks large particles
Second layer: activated carbon filter layer, adsorbing chemical pollution in the air
The third layer: spray lint cotton to assist in filtering harmful substances and filtering finer 0.30 micron dust
Fourth layer: spray dissolving cotton reinforcing layer, strengthen filtration of 0.03 μ m PM2.5 particles
The fifth layer: the inner layer is made of non-woven fabric, which is breathable and not easy to be dirty. It is very high and hygienic to wea