Uwell Caliburn A2 Replacement Pods 4pk Replacement pods for the Caliburn A2 Pod System by Uwell. These pods have built-in coils, so it's super convenient, and there's no need to replace any coils. Just replace the pod once your juice starts tasting burnt. TOP FILLING - Uncap the cartridge with one hand to reveal the fill port. A convenient and clean vaping experience! Remember to always wait around 5 minutes when filling up a new pod; gotta wait for that juice to soak in.  For use in the Uwell Caliburn A2 Pod System.  Comes in a pack of four (4).