The SBFC is the combination of dual coils cartomizers and the tank technique. So it has the advantages of both dual coils cartomizers and tank: big smoke, warm vapor, good taste, low resistance and longer life time and viewable of e-liquid.
The SBFC is a new version of BFC. The SBFCcan hold up to 3.5 ml of e-liquid. It is compatible with 510 thread batteries.
dct