EN1964 standard with CE cetificated Seamless Steel Cylinder(steel cylinder, gas cylinder). package:nylon net and cartons High Pressure Seamless Steel Cylinderssteel cylinder gas cylinder gas cylindersSeamless Steel Cylinders for oxygen,CO2,Argon,Mixed gas for Medical and Industry use. SerialNo.TypeNominalworking Pressure(Mpa)Watertest pressure(Mpa)Volume(L)NominalOuter Dia.(mm)Length(mm)Weight ( ...