Nextteq Detector Tubes Gas Detector Tubes. Options:

Nitrogen Dioxide (NO2) Detector Tubes
Measuring Range: 20 - 1000 ppm
10 tubes, 10 tests per box
P/N NX194H

Nitrogen Dioxide (NO2) Detector Tubes
Measuring Range 0.5 - 30.0 ppm
10 tubes, 10 tests per box
P/N NX194M

Nitrogen Dioxide (NO2) Detector Tubes
Measuring Range 0.1 - 1.0 ppm
Pretreat Tube included
5 tubes per box
P/N NX194L