SENTRY 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 * Extinguishing Material FORAYŽ * UL-Rating 3-A, 40-B:C * Operating Temp. -40 °F [Min], -40 °C [Min], 120 °F [Max], 49 °C [Max] * Operating Time 21.00 s * Operating Distance 19.000 ft * Height 18 1/2 in * Width 8 1/2 in * Coast Guard Classification Type A, Size II, Type B,C Size I * Testing and Approvals: Meets or exceeds requirements of ANSI 299 and 711. DOT and USCG approved with proper bracket.