1.disposable medical surgical face mask 2.made of 2ply nonwoven with 2ply filter paper 3.with CE,EN,ISO:13458 certifications 1.disposable medical surgical face mask2.made of 2ply nonwoven with 2ply filter paper3.with CE,EN,ISO:13458 certificationsThis product is used to filter the particles in the air, and help to prevent the droplets,liquid, and blood, bacteria filter efficiency exceeds 95%.