It is breathing apparatus, which can generate isolated oxygen with a circulation style of closed circuit by means of a chemical reaction, and be used to provide the wearer with oxygen under a mine or existing in noxious or anoxic environment.

Duration: ≥30min

Inhaling resistance: ≤245 Pa

Breathing temperature: ≤55℃

Dimensions: 160×85×165mm

Weight: 1.9kg

Life span (storage): 5 years

Life span (carrying): 3 years