Calibration Cap Assembly, Product Type Calibration Adapter Assembly, Series ALTAIR 4, For Gas Type Carbon Monoxide, Hydrogen Sulfide, Oxygen, For Use With Mfr. No. 10107602, Mfr. No. 10107603, Mfr. No. 10110443, Mfr. No. 10110444, Mfr. No. 10110445, Mfr. No. 10110446, Mfr. No. 10110488, Mfr. No. 10110489, Includes Cap, Connector, Tubing. This item has been restricted from sale in the following state (s): []