The innovative Joyetech Autopack Replacement coils (Penguin) use the Juice Vertical Injection Coil (JVIC) system that adopts a unique method of vertical juice injection resolution. It has a brilliant ceramic cradle, acting as an excellent head insulator, which takes a horizontal approach in discovering original and clear flavor as well as large clouds. Composed out of kanthal wire, a choice of two resistances are available, each with a unique characteristic. The 0.6? heads feature a smaller diameter for those mouth-to-lung (MTL) draws whereas the 0.25? heads feature a larger diameter designed for direct-lung draws (DL).