1, CE cylinder. 2, refrigerant gas cylinder 3, Refillable cylinder 4, single valve and two valves 5, customer color 1,illing media, R134a2,Design temperature, -40°C-60°C3,Test pressure, 3.5 Mpa4,volume of steel cylinder, 14.35,inner diameter, 239mm6, olor, customer color refrigerant gas cylinder CE