New and improved design. Now you can add/remove your botanicals with out disassembling your column!! This is an add on for the hillbilly flute. It is accessible via tri-clamp on the top above the dephlemator. This is 4″ diameter and 8 inches long with a 3″ access port. It also has a stainless perforated bottom. Add a bag of your favorite herbs for flavor, remove and replace never taking your column apart. This will fit all columns that were purchased after Sept. 2011. 4″ silicone gasket and 4″ clamp used to connect to column sold separately. There is a 2 to 4 week build time on this item.