Product Description Item Number | 1810-9190Industrial Scientific 34 Liter Cylinder Calibration/Bump Gas, 100 PPM (CO) Carbon Monxide, 18% Oxygen, 25% LEL PentaneFor best results, use only Industrial Scientific calibration equipment for regular instrument calibration and maintenance. All Industrial Scientific calibration cylinders are manufactured to the highest quality standards and include NIST traceable blend techniques, analytical leak testing of every cylinder, certified component concentrations and clearly marked lot numbers and expiration dates.This Industrial Scientific 34 liter of Calibration/Bump Gas can be used for the following Industrial Scientific Multi-Gas MonitorsIf you have any questions regarding your calibration gas or just want to make sure you are selecting the correct combination please contact customer service @ 800-949-7233.Please note that this cylinder of gas has a 36 month expiration. Durawear ships the newest cylinders of gas that are available from the manufacturer.
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