Gfg 1418-220 Portable Micro Iv Single Gas Detector – Methyl Mercaptan (Tht) (Ch3Sh) – Instrument Only, 0.1 Ppm Res. / 0 – 25 Ppm Range

GFG 1418-220 Portable Micro IV Single Gas Detector – Methyl Mercaptan (THT) (CH3SH) – Instrument Only, Does not include calibration adapter P/N 7770-201C / 0.1 ppm Res. / 0 – 25 ppm Range