Made by three layers, non-poisonous, non-smelling and non-stimulating materials with high-efficient filtering ability and low-resistance.
Adjustable nose-piece and the built-in bandage foam cushion to suitable for different facial size.
Three-layers materials with high-efficient filtering ability and strong electrostatic effect which effectively filtering the solid powder, dust and preventing the oily liquid gas.
Suitable for mining, grinding medicine industries, disintegration projects, agriculture and animal husbandry, cement, textile, cutting dust, pollutes form heavy metal, electron etc...