4-Gas Calibration Blend for BW Technologies GasAlert MicroClip, GasAlert MicroClip X3, GasAlert MicroClip XT, GasAlert Max XT II, GasAlert Micro 5, GasAlert Micro, GasAlert Quattro (58L): Amazon.com: Tools & Home Improvement
BW MCXL-XU00-B-NA GasAlertMicroClip XL, Combustible (% LEL, unfiltered), oxygen (O2), Black Housing, NA version (North America) | ProcessControlExperts
Configuring the MicroClip XL via IR Link or MicroDock