Kn95 Protective Mask

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