DCP Fire Extension Powder is the most widely used type of fire extinguisher suited for fires occurring in the house, boat, garage, car or caravan. This discharges a fine powder that absorbs fuel molecules, depriving the fire of a fuel source. This put fires out primarily by quickly interrupting the chemical reaction taking place and cutting off the oxygen supply. DCP Fire Extension Powder has high extinguishing capacity for their weight combined with their versatility made them popular for use in many settings. This easily distinguishable by the white band that is around the fire extinguisher cylinder near the top.