Gasco 58L-301 Precision Calibration Gas 50 ppm Carbon Monoxide, 50% LEL Methane, balance Air 58 Liter

Description

Carbon Monoxide CO, Methane CH4 Calibration Gas or Cal Gas contained in an Aluminum or Steel Cylinder that is used for calibration and maintenance of gas detectors. NIST Calibration Certificate Included. GASCO Calibration Gas is ISO 9001 Certified.