MSA
MSA 10048280 Calibration Gas Cylinder 34L Type 2AL 1.45% CH4 15% O2 60 PPM CO 20 PPM H2S
$544.82
Calibration gas cylinder from MSA in Type 2AL with quad gas mix: 1.45% methane, 15% oxygen, 60 ppm CO, 20 ppm H2S. Used for routine calibration of portable gas monitors.