Sentry Dry Chemical ExtinguishersSENTRY shells are produced by a single step cold deep draw process which yields a seamless steel cylinder with an extremely high tensile strength. Easy grip extinguisher handles designed for maximum portability, allowing operators to fight the fire without removing work gloves. Tough, glare-resistant, one-piece mylar nameplates. Large, easy-to-read pressure gauge. Rechargeable. Capacity Weight: 2 1/2 lb; Coast Guard Classification: Type B,C Size I; Extinguishing Material: FORAY®; Height: 14 1/4 in; Includes: Vehicle Bracket; Operating Distance: 11.000 ft; Operating Temperature: -40 °F [Min], -40 °C [Min], 120 °F [Max], 49 °C [Max]; Operating Time: 9.00 s; UL-Rating: 1-A, 10-B:C; Width: 5 1/2 in; Weight: 6.20 lb.