GASCO 17L-17A-25, Butane 25% LEL Balance Air, contained in a 17 Liter Steel Disposable Cylinder For Use with Any and All Gas Detectors, Cylinder connection CGA 600, Calibration Certificate NIST, Made in the USA

GASCO Butane LEL Calibration Gas also known as Butane LEL Cal Gas, is used for the calibration and maintenance of gas detectors. All of our Calibration Gas Cylinders ship with a COA (Certificate Of Analysis). Our calibration gas is NIST Traceable, Made in the USA, and produced using an ISO9001:2008 certified process