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™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
ACS CX1250 Diamond Belt, 1/2" X 24" 250u
3M 16831, Urethane Seam Sealer, 08361, Gray, 310 mL Foil Pack, 7000120461, 6 per case
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 07144, Inhalation Valve 6893/07144(AAD), System Component, 7000002049, 200 EA/Case 
