Product Description
58L-402ES 4-Gas Mix 100 PPM CO, 25 PPM H2S, 1.25% CH4, 18% O2 Nitrogen Balance Calibration Gas contained in a 58 Liter Aluminum Cylinder, Cylinder connection C-10 5/8"-18 UNF, Calibration Certificate NIST, Made in the USA
58L-402ES 4-Gas Mix 100 PPM CO, 25 PPM H2S, 1.25% CH4, 18% O2 Nitrogen Balance Calibration Gas contained in a 58 Liter Aluminum Cylinder, Cylinder connection C-10 5/8"-18 UNF, Calibration Certificate NIST, Made in the USA