... Certificate: CE highly efficient low resistance 3 Ply Disposable Face Mask -Folded mask, easy to carry-Soft, lightweight-Hygienic ... : Adjustable inner and outer nosepiece, suitable to any face and ensure comfortable wearing-Level: FFP1/FFP2/FFP3/N95 ... , agriculture, farming, electronic, food processing, cement textile, disintegration, carving, heavy metal pollution, gardening, glass industry and etc.