Uwell Caliburn G2 Pod Empty Replacement Pods 2pk The G2 empty pod cartridge by Uwell is designed specifically for the Uwell Caliburn G2 Kit. The pod cartridge features a top fill design for spill free refilling and has a capacity of 2ml. The G2 Pod is compatible with both G series coils and G2 series coils. SPECIFICATION liquid capacity: 2ml Filling: Top Filling System Uses Caliburn G/G2 Coils This G2 Pod will only fit in the Caliburn G2 Fit For: Uwell Caliburn G2 Kit PACKAGE LIST: 1 * Uwell Caliburn G2 Empty Pod Cartridge 2pk These are Refillable and Reusable Pods. You can rinse them in water and let dry if you want a fresh pod or are trying a new flavor.