14-in-1 protective mask, reusable respiratory protection mask, gas mask, filter, gas vapor protection, dust mask, suitable for grinding, polishing, welding, graffiti

This mask is a dual-interface, dual-use model. It can be connected to either side of the poison filter box. It can be connected to the central cartridge. It can be connected to the breathing tube! What the filter box protects

Boxed Box #3: Organic gases and vapors, benzene, ketone, carbon disulfide, etc.
Box #4: Ammonia, hydrogen sulfide, etc.
Box No. 7: Acid gases in steam, sulfur dioxide, chlorine, hydrogen sulfide, nitrogen oxides, etc.

Instructions for use:
1. Hold the end of the strap with both hands and pull it so that the mask completely covers the nose and mouth area. Connect the fastener at the back of the neck to seal the mask to your face.
2. Pull the end of the strap again to tighten it further.
3. Before use, inspect the mask to ensure it is properly sealed.
4. During use, if the user smells an odor or if breathing resistance increases, the filter box has expired. Please replace the filter box or filter cotton immediately.