FFP3 mask cone type with valve 1.CE EN 149:2001FFP3 2.OEM with high quality 3.Delivery in time 4.Use in many ... industrial1) Meeting the international quality criteria (Europe):EN149:2001 ... ,agriculture and animal husbandry, cutting dust, pollutes from heavy metal. HIGH QUALITY FFP3 mask cone type with valve by CE/FDA/ISO Approved