Face mask DM0401 A-29 Meeting the international quality criteria (Europe); EN149; 2001; CE0121. Made with grade P2 compound material. Special and soft foam is used as the inner layer of the bandage to ensure the best airtight on the face. It is easy it take alone and store because it is folding. The dustproof density reaches 12 times, effectively filter the solid particle dust, and prevent the oil liquid gas. It is applicable in such places as construction, mining, textile, grinding medicine, disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal.