Aspire Cobble Replacement Pod Cartridges are designed for the Cobble AIO System by Aspire. The Cobble AIO System is an all-in-one pod system ecig that offers ergonomic design. The Cobble Cartridges feature a 1.8ml eliquid capacity, refillable port, and utilizes 1.4ohm BVC Nichrome Coil. The Cobble Pods are meant for nicotine salt eliquid. Nicotine Salt Eliquid allows vapers to vape higher nicotine without the harsh throat hit. Refill the Cobble pod via fill port located at the bottom. Simply remove the rubber stopper and fill the cartridge with your preferred eliquid. The Cobble Cartridges utilize the 1.4ohm BVC Nichrome Coils which allow this device to produce great flavor and vapor production. Each Cobble Replacement Pods come in a pack of three.