The UWELL Crown is a brand new generation of tank systems. Made of stainless steel and quartz glass, it also applies exclusive technology which brings out the best flavor in a safe and clean manner. The Crown features an adjustable airflow ring at the base of the unit to customize your vaping experience. If you are looking for warm and dense, or cool and airy, this tank system has you covered. The Crown distinguishes itself by providing robust flavor with every inhale by utilizing stainless steel coils with Organic Japanese Cotton. For your convenience, the tank can also be filled from the top or the bottom.