Uwell Caliburn A3 Refillable Pod 4 PCS comes with a pre-installed 1.0 ohm mesh coil and is sold in pack of 4. The new Caliburn A3 pods use top-filling for simple refills and a smoother design to offer a more comfortable vaping experience. The pod's visibility makes it simple to monitor the level of e-juice. Furthermore, a secure fit is guaranteed by the magnetic connection between the pod and the device.