Choose Pure Energy and you're on the fast track to years of solid performance. Each pin valve system is
equipped with a unique safety brass fitting valve, 3000 psi burst disk and molded
valve cap to keep contaminants out when not in use.
With proper care and Hydro-testing every five years. Pure Energy aluminum
cylinders will withstand a lifetime of activity. Choose from 20. 16. 12 and 9 oz.