Smok TFV8 Baby V2 Tank is a latest upgraded version tank. It comes with a press button on the top cap to avoid leakage. With the bulb pyrex galss tube, the tank can hold 5ml liquid. Moreover, the tank is compatible with new cores Baby V2 A1,A2 and A3. A1 enlarge the heating area to offer you fast heating process, A2 has dual mesh structure inside to produce huge vapor cloud. There are three large air slots on the bottom of the tank, it will bring you huge vapor production. "V" curved on the top cap and base is a symbol of new version.