On Wednesday, May 22, 2013 11:32:22 PM UTC+1, Lawrence13 wrote:

No the chap made a mistake and really meant CO Carbon Monoxide of which there is a big campaign at the moment, however I'm intrigued where are these device usually fitted? I could imagine submarines or where people are in enclosed say subterranean conditions with no ventilation and a build up of Co2 but in ordinary offices and domestic settings?



So please tell me more and are such devices niche products .



Thanks

Maybe it was a typo...............