The Trend model appears to be the Racal I bought and use when sanding
Cocobolo. Racal sold the line to 3M who upped the price $100.00.

On Wed, 28 Sep 2005 01:59:02 +0000 (UTC), Andrew Barss
wrote:

Your best bet is a positive-air filter, like the 3M units sold by
http://www.airwareamerica.com .