Will wrote:
My vacuum cleaner does not have a HEPA filter and I would like to get
a cleaner that does.

Can someone who understands the physics of HEPA filtration help me
understand HEPA a bit better please. Google is not much of a friend
for this info!


I'm curious - if you don't actually know what HEPA is, why do you
believe you need/want it?

http://en.wikipedia.org/wiki/HEPA
http://www.eh.doe.gov/hepa/index.html


--
Grunff