Gastec Methylene Chloride Gas Detector Tubes. Options:

Methylene Chloride Gas Detector Tubes
Detection Range: 10-150 ppm
5 detector tubes, 5 pre tubes per box
P/N 138L

Methylene Chloride Gas Detector Tubes
Detection Range: 20-500 ppm
5 detector tubes, 5 pre tubes per box
P/N 138