The GAS MODS Kree 24 RTA updates many aspects from its predecessor. The Kree 24 RTA comes with a large diameter of 24mm and bigger juice capacity of 5.5ml. With an 810 drip tip, the Kree 24 RTA adopts an easy top refill system. It also has a 510 adapter to fit 510 drip tips. The RTA features 4 replaceable airflow inserts, which come in different sizes; 4.5mm, 4.0mm, 3.5mm, 3.0mm. Choosing the different air inserts helps you acquire different air intakes and vape experiences.