Box 3: organic gases and steam, benzene, ketone, carbon disulfide, etc

A instructions for use:

1. Hold the end of the band with both hands and pull the band so that the mask completely covers the nose and mouth area. Attach the fastener at the back of the neck to seal the mask and face.

2. Pull the end of the strap again to tighten it further.

3. Before use, check the mask to determine whether it is properly sealed. Cover the inlet side of the filter box with the palm of your hand, inhale gently, and hold for 5-10 seconds. If the mask is somewhat concave, prove the effect

Good results. If air leaks during the test, adjust the mask and re-adjust the tightness of the elastic band to eliminate leaks, and re-check the seal until it passes.

4. In the process of use, when the user smells or inspiratory resistance increases, the service life of the filter box has reached the end, please replace the filter box or filter cotton immediately.
Special precautions for users

1. Please do not use this mask at oxygen concentration below 18%.

2. Please do not use it under the following circumstances.

Hazardous substances unknown

Hazardous substances are present in concentrations that are immediately hazardous to life and health

When you smell or taste harmful substances.

3. Do not modify this mask

4. Pre-use training should be conducted by qualified persons before use.

5. When not in use, store the mask away from contaminants and keep it sealed