fire extinguisher, portable fire extinguisher, dry powder fire extinguisher, fire extinguishing system, building material. Portable dry powder agent fire extinguisher: Portable dry powder agent fire extinguisher is compact and easy to operate ... type fire(flammable liquid fire)C type fire(gas or steam fire), electrical equipment fire1A,21B MFZ / ABC 21A,21B MFZ / ABC 42A,55BMFZ / ABC 53A,89BMFZ / ABC ...