20 PPM CO - 20.9% O2 in N2 Calibration Gas
Cross Over List for CalGaz 7H100212:
- Enmet - 03219-020
Please Note that all 17 Liter (7E) and 34 liter (7H) cylinders have a male 600 CGA fitting. This is different from the 103 liter (6D), 58 liter (8A) and 34 (2A) liter cylinders.