The BW QT-XWHM-R-Y-NA-CS is a premium confined space kit that includes the Quattro gas detector. The gas detector comes equipped with sensors for %LEL, O2, H2S and CO and also includes a 34L cylinder of calibration gas (2.5% CH4, 18% O2, 25 ppm H2S, 100 ppm CO) with a 0.5 LPM regulator. For a full list of included components, please see the “In the Box” section of this page.