The bottom dual coil heads are made only for Innokin iClear Glass X.I.& iClear 30B BDC Clearomizer.
Each coil head is made with 2 coils, so it can produce more vapor and forward ejuice more easiyl to the heating part than regular clearomizers.
Note: The dual coil heads for iClear 30B are NOT compatible with Innokin Dual Coil iClear 30. The coil heads for iClear 30 are NOT compatible with iClear 30B.
Package: Paper Box