Nextteq Ozone Gas Detector Tubes. Options:

Ozone Detector Tubes
Measuring Range: 50 - 500ppm, 100 - 1,000ppm
10 tubes per box
P/N 182SA

Ozone Detector Tubes
Measuring Range: 2.5 - 25ppm, 5 - 50ppm, 10 - 100ppm
10 tubes per box
P/N 182SB

Ozone Detector Tubes
Measuring Range: 0.025 - 0.5ppm, 0.05 - 1.0ppm, 0.15 - 3.0ppm
10 tubes per box
P/N 182U