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4-Gas Cylinder for RKI, H2S 25 ppm / CO 50 ppm / CH4 50% LEL / O2 12% in N2, 58AL
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4-Gas Cylinder for MSA, H2S 20 ppm / CH4 1.45% vol (Pentane Sim. 58% LEL) /CO 60 ppm /O2 15% vol in N2, 58L
$ 90.39
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4-Gas Cylinder for Drager, CO 100 ppm / CH4 2.5% vol (50% LEL) / H2S 25 ppm / O2 17% vol in N2, 58L
$ 91.95
