The TFV12 has the biggest cloud chasing coils: V12-T12 (twelve coils in one), which definietly makes the tank the Cloud Beast King! 

0.12Ω V12-T12 Coils (Duodenary Core) - 60-350W / 130-200W (Best) 
Meant for cloud chasing

0.15Ω V12-Mesh Coils - 60-120W / 90-110 (Best)
Larger heating area for excellent flavour

COMPATIBLE TANK
Smok TFV12