What color is the label indicating the size of the cylinder for the Scott Air-Pak X3 SCBA?

The size of the cylinder for the Scott Air-Pak X3 SCBA is indicated by a yellow label. This color coding system is designed for quick identification, ensuring that users can easily determine the size of the air cylinder in various environments, especially under pressure situations where rapid decision-making is crucial. Knowing the cylinder size is essential for understanding the air supply duration and planning for safe operations. The yellow label typically signifies a specific size of the cylinder used in the breathing apparatus, making it a vital reference for firefighters and emergency responders in maintaining readiness and safety during operations.