4" / 101.6 mm Grid view List view Reconditioned 23 Cu Ft Cylinder Steel Reconditioned Industrial Gas Cylinder Refinished and Hydro Tested DOT- and TC-Approved 2015 PSI Service Pressure, 3360 PSI Test Pressure Approx. 29″ Height (with valve), 4″ Diameter (actual may vary) Add to Quote Reconditioned 23 Cu Ft Nitrogen Argon Helium Cylinder Steel Reconditioned Inert Gas Cylinder Refinished and Hydro Tested DOT- and TC-Approved 2015 PSI Service Pressure, 3360 PSI Test Pressure Approx. 29″ Height (with valve), 4″ Diameter (actual may vary) Add to Quote M15A Medical Oxygen Cylinder – Post Valve – Carbon Composite Add to Quote