Lightweight, durable and economical SCBA for many industrial IDLH (immediately dangerousto life or health) applications fits any budget. Lower-cost options are provided with many choices not offered with any otherindustrial air mask, in both low-pressure and high-pressure versions. MSA fire service components are now offered for non-fireservice applications such as industrial, agricultural, wastewater, HazMat, and HVAC. The AirHawk II Air Mask is built from six major components: facepiece, carrier and harness assembly, cylinder, first-stage regulator,mask-mounted regulator, and End-of-Service-Time-Indicator (EOSTI). Choose from the proven Ultra Elite Facepiece or new industrialAdvantage 4000 Facepiece, three facepiece sizes, two nosecup sizes, and SoftFeel Rubber or silicone rubber. NIOSH-approved.