AirGuard is a next-generation portable breathing air system from ENMET (Ann Arbor, MI) which meets NFPA and OSHA Grade D breathing air requirements. AirGuard provides comprehensive data log records and uses an audio alarm and large external color display to communicate warnings, threats and data collection. It integrates a three-stage filter system which removes oil, water, particulate matter and odors with Carbon Monoxide, differential Dew Point and CFM flow sensors. AirGuard is available in a variety of CFM capacities, with multi-port line connections and fitting types allowing ease of compatibility with breathing air accessories. AirGuard regulates, purifies and monitors supplied breathing air for both safety and comfort.