Description Manuals Videos Articles Clemco 29767 Clemco CMS-4 carbon Monoxide Monitor Calibration kit. This kit includes the following: #5 Calibration Cup #6 3/16" ID Tubing (2 Feet) #4 Calibration Connector with valve. Related Parts (4) Parts Included (4) CMS-4 CO Monitor Package #29765 $805.00 1136 CMS-4 Calibration Connector #25572 $116.62 1139 CMS-4 Calibration cup #29764 $64.68 1140 CMS-4 Calibration Tubing #13074 $1.47 1141 Customers Also Viewed CMS-4 CO Monitor, monitor only #29766 $586.04 CMS-4 CO Monitor Package #29765 $805.00 Clemco CMS-3, In-Helmet, Carbon Monoxide Moni… #24613 $544.88