REFLUX towers, there are a few styles of reflux units around and how they are managed . You have a VM, a LM and a CM and I think there maybe more. V=vapor , L= liquid , C = coolant and the M= management, this confuses the hell out of me, give me a still; I can run it. It seems to me that when you fire up,all those management skills come in to play. PLEASE check out the form links on the Travel the Net blog, the people there are a lot better at explaining these management things than I am… Dual purpose means it can be used as a pot still or reflux tower..
We also have 13 gal [ 50 lt.] beer kegs which the above units can be mounted on.
With the 3″ tower, you will need a 2-3″ adapter.