Product Description Item Number | 18102245Industrial Scientific 50 PPM (H2S) Hydrogen Sulfide 58 Liter Cylinder Calibration/Bump GasFor 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 58 liter of 50 PPM H2S Calibration/Bump Gas can be used for the following Industrial Scientific Gas Monitors. If you have any questions regarding your calibration gas or just want to make sure you are selecting the correct product please contact customer service @ 800-949-7233.Please note that this cylinder of gas has a 12 month expiration. Durawear ships the newest cylinders of gas that are available from the manufacturer.
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