Once upon a time on usenet Terry Schwartz wrote:
Perhaps because of Californias strict air pollution laws? Maybe
something sold as an 'air purifier' in California has to do more
than those units do?


Or possibly because it is an ozone generator...

Or that.
--
Shaun.

"Humans will have advanced a long, long way when religious belief has a cozy
little classification in the DSM*."
David Melville (in r.a.s.f1)
(*Diagnostic and Statistical Manual of Mental Disorders)