... : Non-woven highly efficient low resistance 3 Ply High Filtration Dust Mask-Soft, lightweight-Hygienic, Non-irritating to skin, Odorless, and Easier ... -Perfect fitting: Adjustable inner and outer nosepiece, suitable to any face and ensure comfortable wearing-Level: FFP1/FFP2/FFP3/N95-High ... , heavy metal pollution, gardening, glass industry and etc. High Filtration Dust Mask