1. Applicable to the working environment where there are occupational hazards of non-oily particulates such as dust, smoke, mist, microorganisms;

2. Filtration efficiency: 99.97%.

3. The face mask is closely combined with the skin and has a super tight seal, providing users with efficient security protection.

4. The filter is harmless to human body.

5. The design of the headband is adjustable, easy to wear and remove, and the mask can be firmly fixed on the face. It is not easy to cause structural damage, and there is no danger in the design, composition and installation of components.