The Aspire Mini Nautilus uses the latest Aspire BVC heads which are designed to last, and provide a clean, clear and satisfying vape. The Aspire Mini Nautilus has an attractive 2ml durable glass Pyrex tank as well as an air flow control mechanism which is adjustable, containing 4 different settings. This innovative air flow feature enables the user to control the draw and the amount of e liquid that feeds into the coil head.