The upgraded version of the flagship Aspire BVC Coils are here! Designed for the Nautilus 2S Tank, these replacement coils will change the way you vape! You have the 0.4Ω for traditional e-juice and a direct to lung vape. These coils will deliver full flavor and a cool vape with each puff. The wattage range for the 0.4Ω coil is 23-28w. Low wattage will help you save on battery life, which is a nice perk! The best thing is you can also use this BVC replacement coils with ANY of the Nautilus tank series!