(100 Count) Certification stickers which indicate the Nitrox service cylinder was inspected to PSI standards. Includes place to notate eddy current testing and PSI Inspector Number. Our stickers never expire! The years are indicated by single ending digit, so they are perpetual.
NOTE: Your training must be current (within last 3 years) & PSI Inspector number is required for order. If you don't know your PSI Inspector number, contact PSI at 425-398-4300 and we can help you.