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.

Dynabrade 01011 Vane Set (4pk)
ACS CX1250 Diamond Belt, 1/2" X 24" 125u
3M 11137, Roloc Disc 361F, 50 YF-weight, TR, 1-1/2 in, Die R150S, 7000045094
3M 43195, Exhalation Valve Filter 604, 7100245392, 30 ea/Case 
