... ties;5. Male, female and children's equipment size Respirator mask Active Carbon Face Mask1. With multi-layered non-poisonous, non ... 2. Adjust the bandage strip and the built-in bandage foam cushion to adapt to various face-shapes with comfortable sealing ... sanding, sweeping, grinding medicine, disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal.