You weren't interested in this when I suggested it to you a month ago as
the quietest way to filter a lot of air.

Get the filters at the same store you get the fan. A hardware store will
have both the box fan and the furnace filters. $15 for the fan and $10
for an excellent filter.

Bob

On Wed, 13 Jul 2011 21:47 -0400, "V G"  wrote:
> On Wed, Jul 13, 2011 at 9:01 PM, M. Adam Davis=20
> wrote:
>=20
> > You don't specify compact, but you do mention furnace filters.  What
> > I've done in the past is purchase a 20" box fan - they are usually
> > very inexpensive, especially at the end of summer when stores are
> > trying to clear the shelves.
> >
> > Then I buy the 20x20 furnace filters, and just put them on the input
> > side of the fan.  You can buy furnace filters in varying grades to get
> > the amount of air cleaning filtration you need.
> >
> > As long as the fan is running, the filter stays stuck to the fan, adn
> > you only have to worry about when it's off.  You could alos attach
> > aluminum u-channel, or form your own holder from ducting if you wanted
> > to make it a bit more permanent.
> >
> > Usually they have a simple speed control that is reasonably quiet on
> > the lowest setting.
> >
> > It's not as quiet as some fans, and it does take up 20" x 20" x 6", so
> > it might not fit your needs, but I regularly use one for home projects
> > that create a lot of dust, and it works well.
> >
> >
> Thanks! That sounds like a great idea. What store would carry it?


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