Honeywell calibration Kit, includes tubing, flow adaptor, 1.5 LPM regulator, 2-cylinder carrying case for XCD RFD Remote Flammable Detector (contains 998-100-004 tubing, 00780-A-0035 flow adaptor -calibration cup-, 998-100-012 flow regulator, 998-100-015, 998-100-003 carrying case). 3/16" ID Tubing, gas cover, C-10 inlet regulator. (Does not include calibration gas)