Fire Extinguisher supplier In Odisha Product name- Co2 gas type Fire Extinguisher A CO2 extinguisher has a wide nozzle that locks into place. Do not hold onto the nozzle when firing the extinguisher, this nozzle will get very cold as the CO2 gas is expelled; CO2 gas has a temperature of minus 66C. If you are holding onto the nozzle you will receive a cold burn.