Two piece cartriges

[Sersie]

Such as the ones that came in the T-Rex starter kit

 

[CBB]

The two piece cartridges that come on a T-Rex is the smart cart.GotVapes SmartCart 2.0 - .9ml ClearTube Cart for 510 Atty 5 PK [gotvapes-510smartcart1ml] - $4.99 : GotVapes.com, E-cigarette Supplies - Atomizers Cartomizers Mods Juice and more