Mobiak MBK17-050CA-VR extinguishers size 5 kg with CO2 (carbon dioxide) are suitable for electric fires and are mainly used in server rooms Carbon dioxide can also extinguish class B fires such as flammable liquids such as paint and oil. The rate of fire extinguisher written on each fire extinguisher, is the minimum acceptable ratio of the notified body. The fire extinguisher has a high-power outlet front.