Here comes the all-new Geekvape Loop RDA adopts unique W-shaped build deck for easy single/dual coil building. The adjustable surround airflow system delivers airflow efficiently. The side-to-bottom airflow minimizes leakage too. The Loop has a one-piece airflow cap placed in a fixed position, ensuring air flows in the correct position. The pack also comes with a BF(bottom feeder) pin, making the RDA a perfect match with squonker MODs. Just get this device for an amazing vape!