What is the name of the pressure reducer in the SCBA system?

The pressure reducer in the SCBA system is specifically designed to ensure a reliable and consistent supply of air to the user by reducing the high cylinder pressure to a usable level. The dual-stage redundant pressure reducer is the correct answer because it incorporates two stages of pressure reduction, which enhances reliability and safety. In the event that one stage experiences a failure, the other stage can still maintain the necessary air pressure, thereby providing a backup mechanism that is essential for the safety of the wearer in hazardous environments. This redundancy is a crucial feature in SCBA systems, as it helps to prevent the total loss of air supply, allowing firefighters and other users to focus on their tasks rather than worrying about potential equipment failure.