Dust mask, 100g ~ 250g, White/Blue, CE, ISO, FDA & ... Adjust the bandage strip and the built-in bandage foam cushion to adapt to variousface-shapes with comfortable sealing. ... construction, mining, textile, grinding medicine, disintegration projects,agriculture and animal husbandry, cutting dust, pollutes from heavy metal.Style no.: ... at all levels of our organization. Dust mask (EN ISO 13485 approved)