The Derringer RDA cloned by Ehpro is one of the smallest rebuildable
atomizers on the market, only 22mm in height & 21.8mm in diameter.
Features:1. 3-post design with a gold plated positive post2. Pre-drilled post holes for easy coil building3. Adjustable airflow control, with variety ways of air intake4. Deep juice well5. Adjustable copper contact pin6. PEEK insulator7. Small in size8. 510 threading