Drager Standard 4-Gas Calibration/Bump Mixture containing 50% LEL CH₄, 100 ppm CO, 25 ppm H₂S, 17% Vol. O₂ - 4594655 - 1/CS anchorage NIOSH approved against certain organic Size:32x30 All stations includes easy disposable gloves 2190055
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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25