Aspire brings you the all new, just as curvy, Nautilus 2S. The new Nautilus 2S tank that comes in 2.6ml and a 2ml version for TPD. The latest in the Nautilus 2 tank series, a sleek, curvy design equipped with a pre-installed 0.4 ohm BVC coil for direct to lung vaping and a 1.8ohm BVC coil for mouth to lung vaping. Top-fill child resistant design with a silicon self seal keeps things clean, and as the coils are interchangeable with other Nautilus coils, it allows you to personalize your draw/vapor preference. Check more info:https://www.aspirecig.com/aspire-tanks/nautilus/nautilus542.html Main features Super easy top fill Child resistant 2.6ml capacity Bottom adjustable airflow Coil resistance: 0.4Ω (23-28W), 1.8Ω (10-14W) Super efficient wicking Great vapor and flavor production Compatible with Nautilus BVC coils Suitable for both MTL hits and restricted lung hits Diameter: 23mm Length (including stainless drip tip): 61.5mm