Gastec Tetrachloride Gas Detector Tubes. Options:

Carbon Tetrachloride Detector Tubes
Detection Range: 0.5-60 ppm
5 detector tubes, 5 pre tubes per box
P/N 134

Carbon Tetrachloride Detector Tubes
Detection Range: 0.25-12 ppm
5 detector tubes, 5 pre tubes per box
P/N 134L