Ansul Sentry 434732 ABC 5 lb. Dry Chemical Fire Extinguisher, 3A:40B:C Rating Large, easy-to-read pressure gauge Tough, glare-resistant, one-piece mylar nameplates Easy grip extinguisher handles designed for maximum portability, allowing operators to fight the fire without removing work gloves Rechargeable SENTRY shells are produced by a single step cold deep draw process which yields a seamless steel cylinder with an extremely high tensile strength