MSA Altair 5X Multi Gas Detector COMB CO O2 H2S Tested (see pictures) Calibrated June 2025, Next calibration due in 151 days (from 17/03/26) Excellent used condition with charging cradle. The pump version. Following GASES detected : COMB, CO, O2, H2S For any questions, you may contact us via the eBay messaging system. ---