On 2010-08-04, Jim Elbrecht wrote:

So far all I've seen is your opinion.

DOH!! Ya' got me!

I, who've worked with/around HEPA filters for years, couldn't possibly
know as much as you, who, with the irrefutable qualification of having
absolutely NO experience whatsoever with HEPA filters, disagrees with
my "opinion". I'm sure all ahr readers will gladly bow to your
overwhelmingly superior logic in this matter. Yeah, verily, Jim has
spoken. Go forth and buy HEPA!!


nb