The Uwell Nunchaku Sub-Ohm Tank is a revolutionary tank following the successful Valyrian and Crown series, integrating an elegantly chassis design with 5mL max juice capacity, dual bottom airflow, and the utilization of the plug-pull Pro-FCOS Coil Technology. The Nunchaku Tank measures 25mm in diameter within an aggressive design element with protective metal cage sleeve and grooved bottom base to create a striking impression. The tank reservoir has a maximum capacity of 5 milliliters, conveniently refilled via patented threaded top-fill system to expose the filling port. An improvement in chimney and structural design within the bottom base with a condensation holder to minimize the leakage potential. The new Pro-FCOS Coil (Professional Flavor Optimizing adopts the Plug-Pull mechanism for an ergonomic replacement process and a Claptonized A1 central wires for an optimal balance of flavor and vapor production. Airflow for the Nunchaku Sub-Ohm Tank is configured around the base of the chassis, providing ample airflow.