Airline Respirator (Supplied-Air Respirator (SAR)
Airline Respirator (Supplied-Air Respirator (SAR) : An atmosphere-supplying respirator for which the source of breathing air is not designed to be carried by the user. An atmosphere-supplying respirator means a respirator that supplies the respirator user with breathing air from a source independent of the ambient atmosphere and includes SARs and self-contained breathing apparatus (SCBA) units