The BW Honeywell 5-Gas Mixture contains the following mix: CH4 (2.5%), O2 (18.0%), H2S (25 ppm), CO (100 ppm), CO2 (0.5%). This mixture can be used with the following gas monitor: GasAlert Micro 5 IR Monitor.
Note 1: Because of HazMat restriction, calibration gas must be shipped UPS Ground.
Note 2: Calibration gas is not returnable. Please check your selection carefully before ordering.