With its large, colored operating buttons, swivel connections, silicone line and maintenance-friendly design, this lung-governed demand valve set milestones for fire fighting around the world. Features automatic first-breath activation (depending on model), as well as automatic deactivation on separation from mask (depending on model). Available in both normal and positive pressure versions.

  • Automatic first-breath activation (models AE, AS and AS-C) and automatic deactivation on mask separation (models AS, AS-C)
  • Maintenance-friendly design with quick-removing protective cap and limited-lubrication valve assembly
  • Ergonomic hand size for right- or left-handed, gloved operation
  • Available in both normal and positive-pressure models