All V-Series Supplied Air Valves require a supplied air hose to complete the NIOSH-approved respirator system. These hoses are available in many different lengths and are sold separately.
3M 37019, Versaflo Air Regulating Valve Assembly V-300/37019(AAD), 7100077491, 1 EA/Case
$224.35
Factory Stock, 7-10 Day Leadtime, Priced Per Case
Allows the worker to set the airflow to the most comfortable level. Includes the valve and waist belt. It is strictly a regulator and will not warm or cool supplied air to the worker.

3M 17591, Repulpable Double Coated Tape R3227, White, 48 mm x 55 m, 3.5 mil,24 rolls per case, 7100028150
3M 28848, Unitized Wheel Mandrel 28848, 1-5/8 in x 1/4 in x 3/4 in x 1/4 in, 7100082547
3M 50258, Roloc Disc 777F, 60 YF-weight, TSM, 3 in, Die RS300VM, 7010325551
3M 28850, Unitized Wheel Mandrel 28850, 2-1/8 in x 1/4 in x 3/4 in x 3/4 in, 7100082549
3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
Dynabrade 53533 Cone or Plug Grinder (Triple Extension) 
