The COMP-3EA Compressor System includes an Auto-Air Breather Box, model BB30-COAA, the TA-3EA compressor supplied with a CGA-347 high pressure reducing regulator, primary hose, and secondary hose. An optional 60 or 87 cf cylinder can be installed on the compressor frame to provide additional egress air. The COMP-3EA system is designed for pressure demand respirators only.