Gastec 121SP Benzene 0.2-66 ppm BX

Gastec Benzene Gas Detector Tubes. Options:

Benzene (C6H6) Gas Detector Tubes
Detection Range: 2.5-120 ppm
10 tubes, 10 tests per box
P/N 121

Benzene (C6H6) Gas Detector Tubes
Detection Range: 0.2-66 ppm
5 detector tubes, 5 pre tubes per box
P/N 121SP

Benzene (C6H6) Gas Detector Tubes
Detection Range: 0.1-65ppm
5 detector tubes, 5 pre tubes per box
P/N 121L

Benzene (C6H6) Gas Detector Tubes
Detection Range: 1-100 ppm
5 detector tubes, 5 pre tubes per box
P/N 121SL

Benzene (C6H6) Gas Detector Tubes
Detection Range: 2-312 ppm
5 detector tubes, 5 pre tubes per box
P/N 121S