The Nautilus X replacement atomizer coils are for the Aspire Nautilus X Tank or the Nautilus XS tank. 

The Aspire Nautilus X heads lead a new revolution in coil technology. This new atomizer technology uses a U-Tech coil system for revolutionary air flow performance. 

Key Features:

• New U-Tech coil system.
• Advanced air flow system
• More stable, longer lifespan
• Availabe in 1.5 ohm and 1.8 ohm

Coil ratings:

• 1.5 ohm – 14 watts - 22 watts 
• 1.8 ohm - 12 watts - 16 watts