SMOK helmet tank coils,built-in clapton wires,5pcs per pack,
0.4ohm,0.6ohm and 0.85ohm avaliable,smoktech coil only fit for helmet tank use only.
the tanks uses sub ohm coils,vapers must be sure that your device and batteries can handle sub ohm coils,
only recommend experienced users order this,extra safety precautions should be practiced when using a sub ohm tank.
the tank only work with the mod that can support the atomizer and coil.if you have a tank and resistance is 0.3ohm,
you must sure that the mod or battery can support resistance low to 0.3ohm.improper use and lead to unjury or damage.
use the OHMS LAW Calculator to check.if you have question,please feel free to contact us.