25 ppm Carbon Monoxide, 50% LEL Methane, 25 ppm Hydrogen Sulfide, 19% Oxygen, Balance: Nitrogen, Calibration Gas –446

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$60.00

Description

25 ppm CO, 50% LEL Methane, 25 ppm H2S, 19% O2, Balance: N2



If you require a different gas, concentration or cylinder size, please give us a call. Quantity discounts are also available.