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Industrial Scientific 1810-5536 Replacement Gas for Ventix MX4 and iBrid MX6 - 25 PPM H2S, 100 PPM CO, 50% LEL Methane, 19% O2, Balance Nitrogen (29L)
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GASCO 367 Mix, Carbon Monoxide 100 PPM, Methane 25% LEL, Oxygen 19%, Balance Nitrogen in a 34 Liter Steel Cylinder
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Gasco 311 Multi-Gas Mix: 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen - SCI Analytical
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