3M L-122 Breathing Tube

Used with 3M L Series Headgear. It is attached to the opening on the headgear. The lower end of the breathing tube is attached to the 3M Vortex Cooling Assembly V-100, 3M Air Regulating Valve Assembly V-300, 3M Low Pressure Connector Assembly V-400 and the 3M Vortemp Heating Assembly V-200.