This adapter kit allows you to upgrade the tank capacity of the Nautilus X from 2 ML to 4 ML. When using the adapter kit, the Nautilus X will measure 21.5 mm (W) X 26 mm (H). This kit includes a coil adapter which effectively elongates the chimney into the top hardware. The kit also comes with a taller Pyrex glass tube which is also compatible with the Cleito.
Please note this purchase does NOT include the Nautilus X clearomizer.