The Aspire Revvo Arc coil adopts the Aspire Radial Coil (ARC), which sits horizontally in the tank similar to a "stove-top" coil, which increases the surface area of the coil for increased flavour and better vapour production. 

Specifications:

• 0.10ohm - 0.16ohm
• Kanthal AF Coil
• 3 in a pkg