Designed to be compatible with the Uwell Caliburn G2 Pod Kit, these Uwell Caliburn G2 Replacement Pod Cartridges offer 2ml e-liquid capacity and convenient to use top filling that makes refills free of hassle. The e-liquid check window ensures that you can check how much is left during vaping. Depending the choice of each Caliburn G Coil (1.0Ω, 0.8Ω and 1.2Ω coils), the G2 Pod Cartridge can support both Restricted DTL (Direct to Lung) and MTL (Mouth to Lung) vaping depending on one's preference. Along with that, the Caliburn G2 Pod Cartridge adopts a wheel adjustment for the airflow. Therefore making it much easier to get your ideal airflow and tastes with precision. If you're undecided on which choice you'd prefer; draw-activation or button-activation, both are available to use to suit your vaping needs.