This is a five pack of Eleaf GS Air 2 Replacement Coils, each coil offering a resistance of 0.75 ohms. These replacement coils are specially designed for use in the Eleaf GS Air 2 Tank. With Pure Organic Cotton, these coils offer supreme wicking efficiency for your vaping experience. They also feature a single coil made of Kanthal wires, which are wrapped in parallel configuration. With an intended output of between 8 and 25 watts, you'll see excellent airflow and flavor production.