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The CMS-3 is a field, in-helmet, CO monitor/alarm for air respirators and can be moved from helmet to helmet. They are available in monitor/alarm form only or with a package complete with connector and test gas.

Carbon Monoxide (CO) is an odorless and colorless gas that is produced from burning fuel or any materials containing carbon. When hooking up a diesel-powered air compressor to a supplied-air respirator, there is a danger of CO poisoning.

If the breathing air is supplied from an air compressor, this hazard can occur from either the breakdown of oil lubricants in the compressor or contamination from diesel exhaust. These products will help to ensure your safety on the job. 

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