Open-circuit SCBA is the most widely used type, especially among firefighters and emergency responders. This system delivers clean, compressed air from a cylinder to the user through a face mask. The exhaled air is vented out into the environment, making it ideal for situations where air contamination is high. At Dipti Fire Services, our open-circuit SCBAs come in various capacities, ... https://www.dropbox.com/scl/fi/4oimfl5kgy4xk6la0idvg/Self-Contained-Breathing-Equipment-Dipti-Fire-Services.pptx?rlkey=qm2j5ykgyapync9djtsnkwi6r&st=m3q8d88o&dl=0