3MCalibration Kit, 529-04-49, black - (TM529-04-49)

3MCalibration Kit 529-04-49 is used to calibrate the carbon monoxide (CO) monitors in the 3MPortable Compressed Air Filter and Regulator Panel 256-03-00, 3MPortable Compressed Air Filter and Regulator Panel 256-02-01 and 3MRetrofit CO Monitor Kit W-2808. The kit contains a 0.6 cubic foot cylinder of zero gas, a 0.6 cubic foot cylinder of span gas, cylinder valve and case.