Answer:
The correct answer is diving regulator.
Step-by-step explanation:
The device connected with the diving suits is known as a diving regulator. This instrument permits one to breathe underwater, though it does not breathe for an individual. A diving regulator minimizes pressurized gas to suitable pressure and provides it to the diver.
The gas utilized in the diving regulator may comprise a diversity of uniquely mixed gases or it can just be air.