Draeger Aniline Short Term Gas Detector Tubes. Options:

Draeger Aniline Tubes 0.5/a
p/n 6733171
Range: 0.5 - 10 ppm
(10 tubes, 10 tests per box)

Draeger Aniline Tubes 5/a
p/n CH20401
Range: 1 - 20 ppm
(10 tubes, 10 tests per box)