Self-contained breathing apparatus (SCBA) are devices worn by firefighters, military personnel, chemical plant workers and others to provide respirable air in contaminated atmospheres. SCBA’s comprise air tanks, regulators to control the airflow into the mask, the mask itself and related equipment worn on the firefighter's body. SCBAs help provide isolated air supply when the ambient air quality is compromised or the atmospheric oxygen level declines. SCBAs are widely used in ... Read more
