There are various types of Extinguisher for fire hazard. For example, pre-action Extinguisher are categorized in single interlock and double interlock. They are mainly different due to their purpose, the area where they are installed and the surface they need to cover. Extinguisher are installed for the purpose of being the first line of automatic defense in case of a fire. Dry pipe and wet pipe Extinguisher are chosen depending on the location’s temperature and the type of building which can be different according to the assets in it. At the same time, all Extinguisher need to be regularly maintained, just as fire Extinguisher or any other type of fire protection products.