Dust mask, 100g ~ 250g, White/Blue, CE, ISO, FDA & EN ISO 13485 certificates Specifications:1) Meeting the international quality criteria (Europe): EN149:2001 FFP1 2) With multi-layered nonpoisonous3) Meeting the international quality criteria (Europe): EN149:2001 FFP2 2) With multi-layered nonpoisonous, non-allergic, non-stimulating materials.3) Adjust the bandage strip and the built-in bandage ...