Gastec Methyl Iodide Gas Detector Tubes. Options:

Gastec Methyl Iodide Detector Tubes
Detection Range: 0.5-108 ppm
10 tubes, 10 tests per box
P/N 230

Gastec Methyl Iodide Detector Tubes
Detection Range: 10-34800 ppm
10 tubes, 10 tests per box
P/N 230H