... )2&3ply, FFP1&2, disposable mask 2)Material :non-woven.. 1. Meeting the international quality ... 4. The high-efficient and strong electrostatic filtering materials effectively filter the solid particle dust, and prevent the oil liquid gas ... animal husbandry, cutting dust, pollutes from heavy metal.face mask, flat mask, 2 ply mask, 3 ply mask, N95 mask, FFP1 Mask, FFP2 maskDisposable mask, Non woven ...