| catalog # | conc. in solvent and volume | units | |
|---|
34541 | 1 ppm in nitrogen, 104 liters @ 1,800 psi | ea. | |
34542 | 100 ppb in nitrogen, 104 liters @ 1,800 psi | ea. | |
34541-PI | 1 ppm in nitrogen, 110 liters @ 1,800 psi (Pi-marked Cylinder) | ea. | |
34542-PI | 100 ppb in nitrogen, 110 liters @ 1,800 psi (Pi-marked Cylinder) | ea. | |
