Calibration GAS 34l H2S 25ppm, CO 100ppm, Methane 2.5%, O2 18% & balance N2

Calibration GAS 34l H2S 25ppm, CO 100ppm, Methane 2.5%,  O2 18% & balance N2

We sell calibration gas in a variety of bottle sizes. The most popular sizes being 34ltr, 65ltr and 112ltr. Please note this gas is considered dangerous goods, so there is a dangerous goods courier fee. This gas bottle is compatible with Honeywell Microclip XT gas monitors and Riiken GX2009 gas monitors.....just to name a couple