Features: -24mm diameter -Leak resistant design -Dual coil -Innovative airflow passage system -Internal honey comb airflow holes -2 Post design with separation block for easy installation-locking barrel -810 Resin drip tip and 810 frosted drip tip Contents: 1 x 24mm Passage RDA 1 x Spare 810 DT 1 x 510 Adapter 1 x BF pin 1 x Accessory Bag 1 x Passage Sticker 1 x User Manual