The combined forces of two legends have given birth to the ultimate mouth-to-lung tank. Aspire and Taifun present, the NAUTILUS GT Mini. Nautilus GT Mini is the mini version of the Nautilus GT. With a diameter of just 22mm, the Nautilus GT Mini is handy and convenient while keeping the same airflow and BVC coils as the Nautilus GT Tank. The Nautilus GT Mini tank comes with an elegant new metal sleeve available in four different colours: stainless steel, blue, gold, and black.