Midas BA 001 5/30 - Marine Self Contained Breathing Apparatus - It is designed on the open circuit system. The exhaled air is discharged to the atmosphere and the wearer of this device gets the fresh air from the cylinder attached to the equipment. It is commonly used in fire fighting, chemical industry, ships and vessels, petroleum and mining industries. It immensely helps the fireman to safely extinguish the fire or carry out rescue work properly. It is made up of a full face mask with silicone straps, air hose with quick connector, supply valve with gas switch, pressure gauge with an alarming whistle, waist belt, and pressure reducer.