The Nautilus has an exclusive adjustable airflow design that is revolutionary. With a simple turn of the lower ring, you have four options to adjust airflow to meet different requirements for vaping. With the option of different size air-ports, it allows the user to produce big clouds of vapor, with a pure and clean taste. With the Nautilus four-port system, you can now adjust how hard or soft the drag is, how warm or cold the vapor is, and how much vapor is produced. The included 1.6ohm and 1.8ohm coil heads allow for further adjustments. The Aspire Nautilus is also very easy to install and refill.  

Product Description:

It is one of our favorites, with 5ml capacity pyrex glass, new bottom coil design, included 1.6O and 1.8O coil heads, exchangeable 510 drip tip, and very well executed adjustable airflow, it’s hard to compete with. Aspire designed this tank based on feedback of vape enthusiast community asking what would make “the perfect tank” and using this info the engineers delivered!
  Bottom Feeding Replaceable Dual Coil (BDC)
The replaceable Dual 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. Features of Aspire Nautilus Adjustable Airflow Tank Clearomizer / Glassomizer
 

Overview of Aspire Nautilus Adjustable Airflow Tank System

• Stainless Steel
• Adjustable Airflow Control in 4 Positions from Ø0.9mm to Ø1.8mm air holes.    
• Pyrex glass tube holds about 5ml   
• BDC (Bottom Dual Coil) Technology   
• Elegant Modern Body Shape   
• Removeable 510 Tip
• You receive one 1.6ohm dual coil head (3.3v-5.0v) installed and an extra 1.8ohm (3.3v-6.0v)

    ~Replaceable coil heads available
    Note: The Aspire Nautilus replacement coil heads will only work with its own designed version. The standard Aspire BDC coil heads are not compatible.