Not mine. These would be useful for a cyclone/2-stage dust colector. They look clean on the outside but not sure about the inside. The price looks good ($10 each). With the recent craze over rain barrels, I imagine the plastic drums won't last long.
http://raleigh.craigslist.org/tls/609632646.html
http://raleigh.craigslist.org/tls/609632646.html