4" Dash 2, Six Plate ColumnThe Dash 2 is top of the line in our 4" bubble column range. But being modular, it doesn't stop there! Add more plates if and when you decide you want them. Add refill ports, column extensions, whatever you can imagine, you can do it with the modular columns. It's as simple as undoing a triclamp and putting in a different component. Distillers Lego! Ideal for the hobby or small batch distiller, the Dash 4" series will run perfectly well on boilers