The 3M™ Dual Airline Back-Mounted Breathing Tube, SA-2500 is part of the 3M™ Back-Mounted Adapter Kit, SA-2000LP (low pressure) and the 3M™ Back-Mounted Adapter Kit, SA-2000 (high pressure).
Provides back-mounted, low pressure/high pressure air for breathing during mutiple disciplines. 3M produces a wide variety of breathing tubes and powered air purifying respirators (PAPR). In addition to powered systems, 3M also offers supplied air respirators (SAR) using air from an air tank or a different external source.