A Self-Contained Breathing Apparatus (SCBA) is a vital piece of safety equipment used in hazardous environments where the air is unsafe to breathe. It consists of a wearable device that supplies breathable air to the wearer through a face mask or mouthpiece, completely isolating them from the surrounding environment. SCBAs are commonly used by firefighters, rescue workers, and industrial personnel working in areas with toxic gases, smoke, or low oxygen levels.

The Self-Contained Breathing Apparatus (SCBA) typically includes a high-pressure air tank, a regulator to control the air flow, and a harness that secures the tank to the user. This apparatus allows the wearer to operate in dangerous conditions for extended periods, depending on the capacity of the air tank. SCBAs are essential in preventing respiratory hazards and ensuring the safety of individuals in situations like fires, chemical spills, and confined space operations. Proper training and maintenance are crucial for maximizing the effectiveness and safety of SCBAs.