Replacement Oxygen Sensor

This sensor is compatible with all the following models:

GasAlert Extreme (GAXT-X-DL-2 and GAXT-DL-B-2models)
GasAlert Micro Clip XL series
GasAlert Micro Clip XT series
GasAlert Quattro series
GasAlert Max XT II series
GasAlert Micro 5 series
GasAlert Micro 5 IR series
GasAlert Micro 5 PID series