... fire extinguisher 1.high quality and OEM service 2. put out fire with B,C,E class 3.clean and efficient ... CO2 fire extinguisher to fire site.Then put down and pull out insurance pin.one hand hold the root of the hose ... pressure. No jet hose to the co2 fire extinguisher, should pull LaPaTong up 70 -90 degrees. To Prevent Frostbite hands, do ...