3M™ Combination Dual Airline Back-Mounted Breathing Tube is intended for use on both 3M™ High and Low Pressure Back-Mounted Kits.
Provides high and low 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.