The TFV4 Mini is a compact tank from SMOK. With 22 mm in diameter, this mini tank matches a wide range of mods. Featuring eight brand new cores: TF-CLP2, TF-S6, TF-RCA, TF-Ti, TF-N2, TF-N2 Air Core, TF-T2, and TF-T2 Air Core, it’s designed to bring you unexpected vaping experience. The top refill design makes filling as easy as it gets. The double-layered drip tip has also been improved on the inner layer of glass to avoid scalding. TFV4 mini is truly one of a kind!