Size:General  |  Color:Black N99 Filter mask with 2 pcs PM2.5 Activated Carbon Filter. Industrial grade Dust mask  Masks activated Carbon Cotton Filter membranes block 97.1% of Anti Pollution。 Original patents, as well as unusual special filter materials, create a personal and effective product that is safe and healthy for consumers..We conducted research and product testing on more than 1,000 white-collar workers, creating a personal and effective product that is safe and healthy for consumers. Easy to use: Remove the filter before cleaning the mask Mask can be washed Filter is not available When you receive the goods, the filter is separated from the mask. Before use, put the filter into the inlet cover. Without breathing valve mask, outer layer of pure cotton + filter material + protective layer + face full cotton mask, remove the filter before cleaning 5 Layer Filter Masks have a great filtering effect because they have 5 layers of filter. The first layer is spunbonded fabric, the second layer is high efficiency filter fabric, the third layer is Activated carbon, the fourth layer is high efficiency filter fabric, the fifth layer is spunbonded fabric. Health And More attractive:Industrial grade Dust mask  Masks activated Carbon Cotton Filter membranes block 97.1% of Anti Pollution。We conducted research and product testing on more than 1,000 white-collar workers, creating a personal and effective product that is safe and healthy for consumers.
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