Automatic Spot Protection, Charging Non-Rechargeable, Cylinder Color Red, Cylinder Diameter 7 in, Cylinder Height 17 7/8 in, Cylinder Material Steel, Discharge Time 5 sec, Extinguisher Capacity 18 lb, Extinguisher Class BC, Extinguishing Agent Material Composition Halotron, Extinguishing Agent Type Clean Agent, For Environment Cell Tower Equipment Rooms, Document Storage Rooms, Electronic Data Storage Rooms, Remote Signal Stations, Telephone Switch Panel Closets