| catalog # | conc. in solvent and volume | units | |
|---|
34400 | 1 ppm in nitrogen, 104 liters @ 1,800 psi | ea. | |
34421 | 100 ppb in nitrogen, 104 liters @ 1,800 psi | ea. | |
34400-PI | 1 ppm in nitrogen, 110 liters @ 1,800 psi (Pi-marked Cylinder) | ea. | |
34421-PI | 100 ppb in nitrogen, 110 liters @ 1,800 psi (Pi-marked Cylinder) | ea. | |
