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Posted by G $ on May 1, 2007, 3:20 pm
> I am in a newly built home and went to change the ac filters in the
> ceiling for the first time today. When I removed the filter there was
> a smaller duct next to the main one, with a valve-type closure (which
> was actually open) and a place where it looks like a smaller filter
> would fit (about 8" x 9"). Anyone know what this is, and what if
> anything I should do about it? The only thing I could come up with is
> that would be where you place one of those scented air fresheners they
> sell that you can normally attach to the larger filters....
>
> Thanks in advance,
>
> - G
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