Drager’s 58L Hydrogen Sulphide (H2S) Calibration Gas offers precise 20ppm H2S in nitrogen. This compact cylinder helps ensure your gas detectors work correctly. Moreover, it’s easy to use with Drager Bump Test Stations or for manual calibration. As a result, you can maintain safety standards effortlessly. Additionally, the non-refillable design makes disposal simple and hassle-free.