Draeger Benzene Short Term Gas Detector Tubes. Options:

Draeger Benzene Tubes 0.25/a
p/n 8103691
Range: 0.25 - 10 ppm
(10 tubes, 10 tests per box)

Draeger Benzene Tubes 15/a
p/n 8101741
Range: 15 - 420 ppm
(10 tubes, 10 tests per box)

Draeger Benzene Tubes 2/a
p/n 8101231
Range: 2 - 60 ppm /
(10 tubes, 5 tests per box)

Draeger Benzene Tubes 5/b
p/n 6728071
Range: 5 - 50 ppm
(10 tubes, 10 tests per box)