... Pass ISO13485,CE,FDA. 2.Material:pp nonwoven+filter paper 3.Apply to for hospital,food service,chemicals ... .: DX-01412-1Product name: 4ply Activated carbon interior point maskMaterial: PP Nonwoven+meltblown+activated barbon cloth+elastic ribbon+aluminum stripsColors: ... ,school,hospital,factory,beauty etc.industries 4ply Activated carbon mask interior point for surgical,food,chemical,beauty disposable ...