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. We are professional gas cylinder factory ,we produce 2L-80L different size cylinder. And we produce different standard cylinder for different country. TPED for EU , DOT for NA ,and ISO9809 for other countries. Product Name 4.6L Medical O2 Aluminum Cylinders Sets…