Quick view Draeger Draeger Gas Detector Tubes (10 per box) Chloromethane 10/a Compare $174.00 Draeger Gas Detector Tubes (10 per box) Chloromethane 10/a (5-50 ppm) ACCURATENot all detector tubes are created equal! DrägerTubes® with the accuro® pump deliver the most accurate results... Add to Cart Add to Cart