Calibration Gas: Shelf-Life
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| Size | Gas | Balance | Shelf-Life |
| 17 & 34 Liter | Non-Reactive | Air or Nitrogen | 24 months |
| 103 Liter | Non-Reactive | Air or Nitrogen | 24 months |
| 221 Liter | Non-Reactive | Air or Nitrogen | 24 months |
| 552 Liter | Non-Reactive | Air or Nitrogen | 24 months |
| 34, 58 & 74 Liter | Sulfur Dioxide | Air or Nitrogen | 12 months |
| 34, 58 & 74 Liter | Hydrogen Sulfide | Air or Nitrogen | 12 months |
| 34, 58 & 74 Liter | Ammonia | Air or Nitrogen | 12 months |
| 34, 58 & 74 Liter | Hydrogen Cyanide | Nitrogen | 12 months |
| 34, 58 & 74 Liter | Chlorine | Nitrogen | 8 months |
| 34, 58 & 74 Liter | Hydrogen Chloride | Nitrogen | 8 months |
| 34, 58 & 74 Liter | Nitrogen Oxide | Nitrogen | 6 months |
| 34, 58 & 74 Liter | Nitrogen Dioxide | Air | 8 months |
| 34, 58 & 74 Liter | Phosphine | Nitrogen | 8 months |
| 34, 58 & 74 Liter | Sylene | Nitrogen | 12 months |
| 34, 58 & 74 Liter | Ethylene Oxide | Nitrogen | 12 months |
| 34, 58 & 74 Liter | Four-Gas Mix | Air or Nitrogen | 12 months |
| 34, 58 & 74 Liter | Non-Reactive | Air or Nitrogen | 24 months |
| 10 Liter | Hydrogen Sulfide Sulfur Dioxide |
Air or Nitrogen | 6 months |
The Part Number is determined by the cylinder size then the suffix.
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