ZL60 Coal Mine Filtered Self-Rescuer
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It is a protective device for personal breathing system, under normal temperature by using catalyst; it can change carbon monoxide in air into innocuous carbon dioxide. It applies to the environment where the concentration of oxygen is not less than 18% and carbon monoxide not more than 1.5%, for personal fleeing use.
Breathing temperature <=600 (1%CO)
In storage 5 years
In carrying 3 years