3M Versaflo Air Regulating Valve Assembly V-300/37019(AAD), 1 EA/Case

• All V-Series Supplied Air Valves require an approved 3M supplied air hose, breathing tub and headgear to complete the NIOSH-approved respirator system
• Can operate on pressures ranging from 6-91 psig, depending on valve and hose length
• Certain 3M supplied air valves can cool or heat air by up to 50°F (28°C)
• Low maintenance - no filters, cartridges, or batteries to maintain

3M V-Series Supplied Air Regulator Valves and Assemblies provide comfortable, cost effective respiratory protection for All-Day use. Supplied air respirators offer many features over traditional respiratory protection, such as cooling or heating incoming air with certain valves; fit testing only required for tight-fitting facepieces; and low maintenance. Complete systems include a supplied air hose, an air regulating valve, a breathing tube, and a helmet, hood, or other facepiece. 3M Supplied Air Respirators require a source of clean breathing air such as plant air systems or bottled air. This clean, breathable air can be delivered to hoods, helmets, full facepieces, half facepieces and loose-fitting facepieces.