May be used with the carbon monoxide(CO) monitor in the 3M Portable Compressed Air Filter and Regulator Panel 256-02-00, 256-02-01 and the 3M Retrofit CO Monitor Kit W-2808. It provides an audible and visible indication outside the work area if the CO level exceeds the preset level.

• Remote Alarm Audible, 119 dBA
• Strobe Light, 150,000 CP
• Also used with the 3M Compressed Air Filter and Regulator Panel W-2806