It is suitable for extinguishing the initial fire of flammable solids or liquids, widely used in cars, factories, stores and other confined places, and is a necessary firefighting equipment to prevent fires and protect people's lives and property. Water type fire extinguisher is equipped with AFFF water film-forming foam extinguishing agent and nitrogen gas inside, which has the advantages of simple operation, high fire extinguishing efficiency, no need to invert when using, long validity, anti-combustion, double fire extinguishing, etc. It can extinguish the initial fire of combustible solids and liquids.