face mask suitable for high temperature

face mask with valve makes breathe Well this could be used in Construction, mining, textile, grinding, pharmaceuticals, cement

 Dust mask

Description ,

* exhalation valve design, reduce the quantity of heat accumulation, make breathing more easily, suitable for high temperature, high humidity ring microscopically long time use.

*Adjustable nose clip, make the mask and facial impermeability better, dust can'teasily      leak into

* After electrostatic processing filter layer, non oily kind of dustcould be avoid  effectively

* Ultrasonic welding, high elastic band, make wear more effective

sphere of application;

 construction, mining, textile, grinding, pharmaceuticals, cement, glass, metal, etc