1.1 This specification covers anesthesia breathing tubes, integrally attached end fittings, and integrally attached components for use with anesthesia breathing systems. Excluded are similar tubes for specific other purposes, such as those used with some breathing machines, pediatric anesthesia circuits, and gas scavenging tubes.

1.2 The following subjects are covered: terminology, dimensions, labeling and marking, selected performance requirements, and test methods to substantiate compliance with the requirements. Alternative test methods may be employed provided that they can be shown to be equivalent or better.

1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.