- The gas mixture in calibration gas cylinders is certified to be prepared gravimetrically, using NIST traceable weights
- The lot number and nominal value of the gas constituents in volume, percent by mass, PPM, or volume is specified on the cylinder
- $10.00 Dangerous Goods shipping charge will be automatically added at cart
- H2S/MSA Cal gas is compatible with H2S/CCN fixed flow regulators
- Cannot be shipped to PO Boxes
- Additional shipping charge added at check out