On Thu, 2011-06-16 at 07:21 -0700, John Gardner wrote:
> Ditto on CO-only - I have one over 10 years old that will let
> you know there's a lit cigarette in the room...

FWIW, most of the ones I've seen have a specific lifespan (usually 8
years), even though it appears to work perfectly I'd suggest replacing
it (I know, sounds weird, but it's not something I like mucking about
with).

TTYL


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