1. It is suitable for working environments where organic gases or vapors such as benzene, anilines, carbon tetrachloride, nitrobenzene, and chloropicrin are present.

2. The mask can be closely combined with the face, and the fixing system can be adjusted as needed.

3. The mask material is made of high-grade silicone, non-toxic, odorless, non-irritating to the skin, and has excellent skin-friendly.

4. When the breathing valve is decompressed to -1180Pa, the half-mask exhalation valve will return to normal pressure for> 20S.

5. The resistance of the exhalation valve ≤ 37Pa.

6. Inhalation resistance of mask ≤16Pa.

7. Ventilation resistance of filter: test flow rate is (15 ± 0.6) L / min≤19Pa, test flow rate is (47.5 ± 0.6) L / min≤80Pa and (47.5) L / min≤400Pa. Mask leakage : <0.2%.