1. Safe and Stable 2. High quality 3. Excellent Performance Thermal-insulating mode Super vacuummulit-layer thermal insulation Specification 175L,210L,175HL,210HL,210VH,450VH(Vertical),410L,495L,495HL(Horizontal) Working pressure ≤2.88MPa Medium LOX,LIN,LAr,LCO2Applications It applies to scientificresearch,chenical,electronic industries. Industrial Gas Welded Thermal-insulating Cylinder