Draeger Phosgene Short Term Gas Detector Tubes. Options:

Phosgene Detector Tubes 0.02/a
P/N 8101521
Measuring Range: 0.02 - 1 ppm
(10 tubes, 10 tests per box)

Phosgene Detector Tubes 0.25/c
CH28301
Measuring Range: 0.25 - 5 ppm
(10 tubes, 10 tests per box)