Draeger Nitrogen Dioxide (NO2) Short Term Gas Detector Tubes. Options:

Nitrogen Dioxide (NO2) Gas Detector Tubes 0.1/a
P/N 8103631
Measuring Range: 0.1 - 30ppm
(10 tubes, 10 tests per box)

Nitrogen Dioxide (NO2) Detector Tubes 2/c
P/N 6719101
Detection Range: 2 - 100 ppm
(10 tubes, 10 tests per box)