This is a pack of five Aspire Atlantis Evo Coils, each coil at 0.4 ohms. These coils feature a duo design, with the 0.4 ohm model offering greater airflow for your vape tank. This is achieved with the coils 2.22 mm spacing inside. They offer 40 to 50 watts of resistance and a vertical Kanthan Clapton coil configuration. These coils offer great flavor reproduction and a unique vaping experience sure to satisfy nearly any user.