Main specification Item Specification Duration ≥60min Temperature of air inhaled ≤60℃（1%CO） Dimensions 100×93×133mm Weight 1kg In storage 5 years In carrying 3 years Application ZL60 Filter Self-Rescuer （short for self-rescuer）applies to no coal, gas and carbon dioxide outburst mine. The oxygen concentration in the ambient atmosphere should not less than 18%, carbon monoxide concentration not more than 1.5%, and no other poison gas exits. It is a protective device for personal breathing which can be used to protect from carbon monoxide poisoning in a fire or gas explosion at the mine environment. Operating personnel must carry about it for emergency. It only used as personal escape. Type marking Z---Self-rescuer L--- Filter 60--- Rated protection time
