These replacement coils utilize the Vape Pen Coil System that features an elongated design, specifically for the Vape Pen Starter Kit. These coils are also compatible with the SMOK Vape Pen Plus Kit, SMOK Vape Pen Tank, and the SMOK Vape Pen 22 Light Edition Kit. Available in 0.25ohm and 0.3ohm, the Vape Pen Dual Coils 5pk employ a dual core atomizer head and integrates a vertical style coil design. Additionally, the Vape Pen Dual Coils 5pk is equipped with quad wicking ports that ensure rapid and consistent wicking while utilizing 3mm NiCr heating element for top performance. Helping to deliver incredible continuous sessions, the Vape Pen Dual Coils 5pk by SMOK are a great addition to any vaper’s collection.