Used for continuous flow on 3M™ 6000/6000DIN and 7000 Series Full Facepieces. This assembly includes one of each of the following: 3M™ Air Regulating Valve W-3062, 3M™ Airline Adapter W-3187, 3M™ Breathing Tube W-3188, 3M™ Waist Belt W-3217, 3M™ Shoulder Strap W-3229, 3M™ Full Face Plug 7890.