Meeting the N95 quality criteria (USA);
With valve or without valve;
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