This is a 2 pack of Uwell Caliburn G2 replacement cartridges. These pods are made specifically for use in the Uwell Caliburn G2 18W Pod System. Each Caliburn G2 refillable pod has a 2ml e-liquid capacity and have a leak-proof design. Each pod can use salt nicotine e-liquid and can be refilled via the removable tip. It is a top fill system for easy top up. The drip tip also serves as a juice fill cover. Each pod is top fill and uses a built-in FeCrAl UN2 Meshed-H coil for ease of use. Choose from the 1.2ohm pod for MTL vaping or a 0.8ohm pod for a restricted DTL vape experience - both with Pro-FOCS technology for authentic flavour.