5pcs Mask Replacement Parts Filters for Mesh or Neoprene Mask

There are 5 layers inside, using advanced absorbent fabric and activated carbon filter, super filtration protection, effective filtration of waste gas and harmful to human health.

Breathable plastic layer,activated carbon layer,Aerated air electrostatic cotton,Environmentally friendly sponge layer,Inner lining non-woven fabric: the material of skin contact layer and protective filter layer is breathable, comfortable and not dirty.