The GeekVape IM series coils and Super Mesh coil are designed for Shield tank, Aero tank, Aero Mesh tank and Cerberus subohm tank. It comes with Mesh X1 0.2ohm and Mesh X2 0.3ohm coil to meet your different vaping needs. 5pcs each pack. Just get them for your GeekVape Shield/ Aero/ Aero Mesh/ Cerberus tank.