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RKI Calibration 4 Gas Mixture 81-0154RK-04

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The RKI Calibration 4-Gas Mixture in an aluminum 34 liter cylinder. The mixture is 25 ppm H2S/50 ppm CO/50 percent LEL CH4/12 percent 02 in N2. The Calibration 4-Gas Mixture is for use with the RKI SDM2009 Calibration Station for GX-2009 and the RKI SDM-2012 Calibration Station for GX-2012.

Note: calibration gas is not returnable. Please check your selection carefully before ordering.

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