Meeting the N95 or N99 quality criteria (USA)
Made of multi-layered nonpoisonous, non-allergic, non-stimulating materials
Adjust the bandage strip and built-in foam cushion to adapt to various face-shapes with comfortable sealing
High efficient and strong electrostatic filtering materials effectively filter the solid particle dust, and prevent the oil liquid gas
Use for construction, mining, textile, grinding medicine, disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal