Uwell's Caliburn A3S refillable pods are designed for MTL (mouth-to-lung) vaping. They are refillable fixed coil pods that come in a pack of four and are compatible specifically with the Caliburn A3 and Caliburn A3S vape kits only. These pods have a 2ml capacity and can be refilled by lifting the silicone tab located on the side of the pod. The Caliburn A3S refillable pods are avai... https://vaporhub.co.uk/products/uwell-caliburn-a3s-replacement-pods?srsltid=AfmBOoqwPewQUe4ZvIiNm1UejhrTU3MnkXSRg1GeWfzTglzD4_-fgb-U