Replacement bulb pyrex glass #1 for the Smok TFV8 Big Baby + TFV9 adapter (to use with TFV9 tank).

Increases capacity to 7ml approx (with Big Baby tank, using the non-EU coils).

Fits TFV8 Big Baby, Big Baby EU Edition, X-Baby EU edition, Resa Baby, and TFV9 tank.