The FS Merc Air Systems all carry a UN ISO certification, one of the highest standards in bottles. These bottles still require a hydro test every 5 years for safety but there is no limit and this bottle can truly last a lifetime.
Features:
- 38 cu 3000 PSI Tri-Label UN ISO Certification
- Lifetime use bottle (endless hydro-testing on bottle)
- Durable Gel Coat
- Dual Burst Discs for added Safety
- Re-buildable