The Aspire Nautilus is the next generation of tank systems. Made of stainless steel and glass, the Nautilus also uses the Aspire BVC (bottom vertical coil) atomizer technology. The Nautilus has an exclusive adjustable airflow design that is revolutionary. With a simple turn of the lower ring, you have four options for airflow level... 510 Threaded Adjustable Airflow Uses the new BVC (bottom vertical coil) atomizer 5ml Capacity Replaceable glass tank Replaceable dual bottom coil 510 Drip tip compatible 3-1/4"L x 7/8"D.
The replacement coils for the Aspire Nautilus can be found here: Aspire Nautilus Replacement Coils
Really like the tip