Smok TFV4 mini backup kit,include two short-sized cores and same shorty-sized replacement glass tube,
The size of tfv4 mini reduce 10%,but capacity increased about 14%,the capacity from 3.5ml to 4.0ml,
The small core,large capacity,less juice consumption,new tfv4 mini backup kit will bring you better vaping experience.
1*extra glass tube
1*0.3ohm clapton dual core
1*1.8ohm clapton single core
1*improved-design silicone sealing pad