1)Model:Fire Cylinders 2)Feature:high-quaity 3)Material:carbon steel 4)Capacity:0.5kg,1kg,5kg,12kg... 5)samples available Fire Cylinders(bottles) Capacity:0.5kg,1kg,2kg,3kg,4kg,5kg,10kg,12kg and etc.Material: Carbon steelThinkness:1mm-1.5mmTest Perssure:30BarThe fire cylinder is make up of carton steel,has high-quality,easy to operate.