Converts your TFV4 Mini tank (NOT INCLUDED) to use the NEW TFV4 Shorty coils(not regular or micro coils). These are smaller coils that allow for more juice capacity when filling and less consumption of liquid while still offering great performance and better battery life.
Its size is reduced by about 10%, but capacity increased by about 14%, from the default of 3.5 ml to 4 ml. Small core, large capacity, less juice consumption,
1*extra custom glass tube
1*0.3ohm clapton dual core (shorty size)
1*1.8ohm clapton single core (shorty size)
1*improved-design silicone sealing pad
More Replacement Coils for this upgrade kit are available here.