Expansion Chambers

[flood152]

These have never been used, but they have been sitting around in a garage for a very long time(about 10 years). Selling as is for $10 shipped each or take them all for $30 shipped. The black one does not have a tank oring on it.
http://i1356.photobucket.com/albums/q729/tdamsch/20130124_162722_zps229502ab.jpg