Uwell Caliburn G3 pods (CRC) feature dual airflow by reversing the pod direction in the device, have a spring loaded top fill port under the mouthpiece, capacity for 2mL of e-liquid, and a vertical atomizer - available in packs of 4 with a 0.6Ω or 0.9Ω or 1.2 coil. Exclusively compatible with the Uwell Caliburn G3 Pod Kit.