Sold by the pack of 5 or by the unit, the Nautilus X coils are 1.5ohm in resistance, Kanthal wire with Japanese organic cotton.
Aspire Nautilus X (U-Tech) Replacement Coils
Nautilus X coils are 1.5Ω and are rated for use at 14-20 watts. The Nautilus X coils incorporate U-Tech, the latest coil technology. Vape flows through the U-shaped chamber and passes the Kanthal coils twice before being inhaled. This all-new airflow performance allows for unrivalled vape flavour and e-juice taste.