We are offering Industrial Gases and Cylinders, with standard and pin index type valve (for boyles apparatus) brand new CO2 gas cylinders which have a capacity of 2kg, 4.5 kg, 9 kg, 18 kg, 22 kg, 27 kg and 31 kg. These are used for storing various gases such as argon, nitrous oxide, carbon monoxide, helium, compressed air and medical oxygen.