Uwell Caliburn A3S Replacement Pod Cartridge is compatible with Uwell Caliburn A3S Pod kit. The pod is transparent so you can easily view the remaining e-liquid and fill to the required level. It has an e juice capacity of 2 ml and it comes with mesh 0.8 Ohms and 1.0 Ohms coils. The magnetic connection ensures a perfect fitting everytime. It comes in a pack of 4 pods.