Requiem RDA is a rebuildable dripping atomizer that is designed with 22mm in diameter and 24mm beauty ring. It integrates a single heating element with the replaceable airflow tubes for DL, RDL and MTL. And there are 3 tips for your option. Besides, it adopts easy and convenient single heating element building and 510 pin. And compatible with 0.26ohm fused clapton heating element.