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active carbon facemask is composed of PP nonwoven cloth on the top and bottom layers. usually ,active carbon face mask has four ply,The middle two layers are active carbon filtration material and melt-blown non woven cloth. This kind of facemask is odorless, can filtrate bacteria, dust, micro granules, and organic poisonous gases effectively.This kind of product is estensive used in hospital,home,electric area.
Disposable activ-carbon face mask Nonwoven 4 ply face mask