The MACK-1 air distribution system is specifically designed for confined space fire and rescue operations. The MACK-1 has a 4 manifold 5000 psi regulator system with 2 high pressure cylinder whips. It also has a high pressure CGA-347 inlet that allows uninterrupted operation from portable air cylinders or large banks of truck mounted storage cylinders.
1 or 2 SCBA cylinders may deliver air into the system. The alarm whistles for low-pressure & a 6V DC lamp that illuminates the interior of the case and are included as standard equipment.