... (Liquid):LO2,LN2,LAr,LCO2,LN2O Welded insulated cylinder is a type of high vacuum drawn, multi-layer heat insulating removable cryogenic ... the liquefied gas products liquefied oxygen, liquefied argon, liquefied nitrogen, liquefied carbon dioxide and N2O if charged by the high pressure cryogenic cylinders ... capacity,Liquid liters:165/185/193/240/265 Welded insulated gas cylinder