Our Refrigerant Gas Cylinder plant for non-refillable cylinders with an annual capacity of 600,000 cylinders. The non-refillable cylinders confirm to the following standards: DOT 39, EN 12205 and are available in 12.1, 13.7 and 22.1 litre capacities for gases such as R-12, R-22, R134a, and R-404a. This is in addition to our current product line of refillable refrigerant gas cylinders conforming to EN 13322-1:2004.the refillable cylinders comes with a freon valve and the sizes we manufacture is any size up to 150 litres water capacity.