The 1.2 Ohm & 1.6ohm Kanthal coils are designed for a cooler vape at lower wattages between 10w to 14w.
The 0.8 Ohm Kanthal coil is more suited at those looking for a slightly warmer vape and slightly higher wattages with a more powerful delivery. These coils can be used between 14w to 18w.
The 0.5 Ohm Plexus coil is a new coil design from Innokin. Featuring mesh technology for a more uniformed e-liquid vaporisation. These coils can be used between 14w to 19w.