This Positive Pressure Air Breathing Aparatus is a kind of automatic open-type air air-breathing device. It is mainly applicable in firefighting , chemical industry, ships and vessel, petroleum, smelting and mine industries. It can help the fireman or the ambulance men to safely extinguish the fire, to safely deal with an emergency, or to safely carry out the rescue work inadverse circumstances where there are full of dense smoke, poisonous gas,steam ,or lack of oxygen.

Make: China