The Passage RDA from HellVape is an intricate, rebuildable atomizing unit developed in collaboration with the famous vaping reviewer–Suck My Mod. Made of durable stainless steel, it features an expansive build deck on the 24mm base with two centered posts. Each post comes with a single separation block that can slide vertically on the track, helping align coils to make installation simple and easy. As for the airflow control system, it features a three slot construct that is further separated into 19 smaller honeycomb style airflow holes. Each passageway on the airflow contains 5, 9, and 5 holes, respectively throttling or opening the airflow. This RDA also comes paired with an 810 drip tip which is made from a new material named AG+, this material is antibacterial to help maintain cleanliness.