SCBA's use compressed air cylinders, for breathing air. The cylinder duration can be from 30, 45, or 60 minutes. These durations are based on 40 liters per minute, which is slightly above the normal breathing rate. The SCBA devices manufactured by Avon-ISI, come with numerous accessories. The Avon-ISI SCBA Cylinder contains compressed air of grade āDā or better.
Avon-ISI is a leading designer and manufacturer of quality respiratory protection equipment (RPE) and thermal imaging systems. - FireRescue1