Provide protection in environments that are immediately dangerous to life and health (IDLH). Interchangeable cylinders and air line connection enable users to stay in IDLH atmospheres for long periods of time. Apparatus can be used in petrochemical, hazardous materials handling, waste treatment, confined spaces and other IDLH applications. http://www.industrialnewsroom.com/fullstory/5128/ SCBA - Self-Contained Breathing Apparatus is an apparatus that provides a supply of respirable air or a quantity of oxygen-generating material, carried by the wearer for use in an emergency.
The apparatus typically consists of a face mask, a hose and source of fresh air (often a tank of compressed air). Training in the use of SCBA is recommended