BC Powder Extinguisher is most suited for Class B, C and fires involving electrical equipment. Class B fires flammable liquids such as petrol, spirits and diesel. Recommended extinguishers include foam, powder or carbon dioxide. Class C fires flammable gas. Recommended extinguishers include powder but only when the gas can be turned off. Comes factory sealed. Integral bracket included. BC Powder Extinguisher 600g and 950g.