Product Description Aluminum alloy medical oxygen cylinder has the characteristics of light weight and high inner surface cleanliness. The bottle body is made of high strength 6061 aluminum alloy, which has good durability, fracture toughness and corrosion resistance. CBMTECH Medical 4.6L Aluminum O2 Cylinders Our CBMTECH Aluminum alloy gas cylinders can be refilled with rare, high pure, calibration and special gases. They are made of superior quality aluminum alloy and manufactured through the procedures of punching, drawing, heat treatment, CNC flow forming spinning, anodic oxidation treatment to the inner surface, etc. It is used to be filled and refilled with various kinds of gases, such as rare gases, high purity gases, standard gases, special gases, with a wide range of applications in…