Wheeled Fire Extinguisher, Charging Rechargeable, Cylinder Color Red, Cylinder Diameter 23 in, Cylinder Height 46 1/4 in, Cylinder Material Steel, Discharge Time 36 sec, Extinguisher Capacity 50 lb, Extinguisher Class ABC, Extinguishing Agent Material Composition Monoammonium Phosphate, Extinguishing Agent Type Dry Chemical, Features 12 or 7 Year Periodic Hydrostatic Test Interval Per D.O.T, Fill Type Charged and Filled, For Environment Commerical Applications, Industrial Applications