The agent in the cylinders is co2
A unit composed of three principal parts: one or more cylinders, containing gas under pressure and equipped with either manual or automatic release valves; a piping system to points of fire danger or to a hose reel; and a series of nozzles in piping system at points of fire danger or a hose with a nozzle and horn.
NSN 5910-00-217-1717
NSN 5998-01-285-2516
NSN 5905-01-037-7806
NSN 5985-00-367-4291
NSN 5895-01-442-0953
NSN 5950-01-025-0891
NSN 5835-00-264-0946
NSN 6240-00-212-4305
NSN 5925-00-245-3391
NSN 6650-00-665-3658
NSN 6110-01-063-7423
NSN 6320-01-100-7554