In case of emergencies, it is important to verify the function of a fire extinguisher so you can trust it will perform. A Co2 Fire Extinguisher is used for Class B and electrical fires. Portable Co2 Fire Extinguisher expel carbon dioxide which quickly displaces the oxygen and suppresses flames without any residue. Part of testing the Co2 system is checking the pressure, discharge rate, and nozzle efficiency. Co2 Fire Extinguishers will provide the face of fire suppression quickly, cleanly and efficiently. Testing and maintenance will guarantee the system will have reliable integrity for the situations when it matters most.