... respiratory resistence 3.High filtrability 4.Cup Shape Style Dust mask 1) Meeting the international quality criteria(Europe): EN149: ... , disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal. Packing: 50PCS/box, 20boxes/ ... US:We can mainly produce: 1> nonwoven face mask, dust mask, paper mask, nonwoven bouffant cap, nonwoven clip cap, nonwoven doctor ...