Half mask is one of the components of gas mask, which is called as opposed to full mask. Block the contact between the mouth and nose of the person and the outside air, so as to isolate the face of the person from the outside polluted air. It can be used together with the poison filter box for respiratory protection.
- Chinese name
- Half mask
- Material
- silica gel
Common in the market, made of silica gel; Multi purpose anti folding design enhances air tightness; It is equipped with adjustable elastic headband, which is fixed to the head of the human body, and both sides are equipped with bayonets and Poison filter box Matching. 
