... fire extinguisher.Flexible operation , high efficiency, CE standard Portable ABC dry powder fire extinguisher,specification: 3KG, 4KG ... Applicable to the extinguishments of initial fires caused by oil, flammableliquids, solid organics, gas and electric equipment4) ... equipment for use in factories, offices, schools, hotels, oil pumphouses, filling stations, chemical paint houses and combustible places5 ...