Description :Breathing apparatus (LW 300) is a self-contained compressed-air breathing apparatus. It is designed on the open-circuit system in which the exhaled air is discharged from a wearer to the atmosphere.

Function      :The breathing apparatus is to supply air to enable a wearer to work in an oxygen-deficient or toxic atmosphere.
Specifications  :The overall weight of the breathing apparatus together with a fully charged cylinder is 11 kg. The breathing apparatus consists of the following components :
-a composite carbon fibre lightweight cylinder holding 1829 litres when fully charged to 300 bars;
-a regulator unit and pressure gauge manifold assembly;
-a facemask (a positive pressure greater than ambient is maintained within the face mask to obviate inward leakage into mask during inhalation);
-a backplate and a harness.