Cylinders are made of steel and welded. Cylinder designed to withstand high pressure and tested at 30 Bar. High -grade brass head valves ensures reliability and optimizes efficiency. Head valves are lever operated. High quality wheels to ensure easy mobility. High gloss polyester powder painted ensures corrosion resistance. Safety valves is fitted in each extinguisher for maximum safety.. Discharge nozzle designed to produce a precision jet for extinguishing gas