The Chemical Oxygen Self Rescuer is a protective device for the human respiratory system. Chemical Oxygen Self Rescuer is mainly used in underground mining operations in coal mines. When there is a disaster in the mine, resulting in oxygen deficiency in the environment or high concentrations of toxic and harmful gases that endanger life, miners can wear this Chemical Oxygen Self Rescuer in time. It is mainly used as an auxiliary respirator for mine rescue teams; as an escape from toxic gas leakage accidents in the petroleum, chemical industry and laboratories; various tunnel excavation and underground engineering shortages Escape from oxygen and poisonous gas environments; protection and self-rescue in other mines, with powerful functions, which are in today's coal mine self-rescue security equipment.
