Overview of Aspire Nautilus Adjustable Airflow Tank SystemBottom Feeding Replaceable Vertical Coil (BVC) The replaceable Vertical Coil Head on this tank is bottom feeding, and completely redesigned by Aspire. Features 4 saturation holes that punched through at the bottom allowing for great wicking and no dry hits.
Adjustable Airflow Control Valve The Aspire Nautilus Adjustable Airflow Tank System has an exclusive adjustable airflow design. With a simple twist of the lower ring, you can selected from four options: Ø0.9mm, Ø1.1mm, Ø1.4mm, Ø1.8mm. When you make a selection a nice audible click will be heard and the lower ring will lock in place. The four different sized air-port options will allows the you to produce big clouds of vapor, with a pure and clean taste. The unique Nautilus four-port system allows you to differentiate how hard or soft the draw is, how warm or cool the vape is, and how much vapor is produced.