Vandy Vape Pulse V2 RDA comes with fully upgraded airflow system. It includes three different airflow rings and supports dual or single coil builds. Both of them allow the airflow hit the coils directly. You can enjoy different vaping experience. The Pulse V2 RDA adopts an innovative floating deck, which supports top squonk feeding and bottom juice return design. Easy to build and avoid leakge. Fully upgraded airflow system, enjoy different vaping experience Three different airflow rings allow airflow hit the coils directly Support single or dual coil build Top squonk feeding & Bottom juice return 2ml e-juice capacity available 510 threading connection 24mm atomizer diameter Brand: Vandy Vape Model Pulse V2 Atomizer Capacity 2ml Diameter 24mm Size 32 x 24mm