These are the new Sub-Ohm Replacement Coils for the Herakles Sub-Ohm BVC Tank by Sense. The vertical coil structure and diameter is optimized for increased vapor production, flavor, and durability. These coils are also manufactured using organic cotton for a purer taste, and feature four wicking ports for efficient, and fast wicking. The 0.2 Ohm Coils are optimally run from 30 to 75 watts. The 0.6 Ohm Coils are optimally run from 50 to 100 watts.