RESTOCK ALERT ! The Advken Manta RTA is a 24mm Diameter rebuildable tank atomizer with a 3ml capacity and a 4.5ml capacity with the bubble tank. The Manta is equipped with a convenient top filling system design, gold plated posts, and bottom adjustable airflow. The gold plated posts are stacked staggered terminal post with a direct airflow below it, making building easy, flexible, and opening a variant of coils to put in there. There are three different options for the users airflow, fully opened, two, or one giving users the ultimate control for preference. With a flexible and easy building post, a convenient top fill capability for your favorite E-liquid, the Advken Manta 24mm will always provide great vapor production and flavor.