Activated carbon mask: 

1. Using 3mm activated carbon fiber cloth, forms the longer Activated carbon adsorption way, has good filters the effect. 

2. The mask permeability is good. 

3. The mask structure toughs it out. Even person takes the mask long time, he or she still feels comfortable 

4. The nose shape protects hood pad forms good pastes properly

5.  Wears the eyeglasses matches wears this mouthpiece also cannot like other covers the cup type mouthpiece, forms the eyeglasses fog production 

6. May fold portably