Draeger Ethylene Oxide (ETO) Short Term Gas Detector Tubes. Options:

Draeger Ethylene Oxide (ETO) Gas Detector Tubes 1/a
P/N 6728961
Measuring Range: 1 - 15 ppm
(5 tests per box)

Draeger Ethylene Oxide (ETO) Detector Tubes 25/a
P/N 6728241 
Measuring Range: 25 - 500 ppm
(10 tubes, 10 tests per box)