GASCO 17L-289-400, 400 ppm Hexane, Balance Air, Calibration Gas, contained in a 17 Liter Steel Cylinder, For Use with Any and All Gas Detectors, Cylinder connection CGA 600, Calibration Certificate NIST, Made in the USA
Order GASCO 17l-289-400, from Cal Gas Direct Incorporated, GASCO Calibration Gas is Made in the USA, Easy Ordering, Excellent Customer Service.