Featuring a revolutionary coil replacement system, top fill, adjustable airflow and leak resistant design, a new contender has made a category in the sub ohm tank platform. Vaporesso invented the EUC (Eco Universal Coil) to save time, money and the environment all at the same time. Not only does the coil save you a bunch of time and money but is also designed to give off large amounts of flavor and vapor with each hit. Adjustable airflow is located at the bottom of the device where users can seamlessly adjust the airflow to their liking. The very handy top fill feature makes refilling the tank easier than ever by unscrewing the top cap to access the tank reservoir. This new concept is the first to hit the market and Vaporesso has made an unparalleled device with efficiency in performance and cost.