This is a pack of three iJoy Maxo V12-C12 Coils, each coil offering a resistance of 0.12 ohms. These coils have been specifically designed for great vapor production. They can achieve this thanks to their six wicking ports and cotton wicking system. The intended output range is between 60 and 315 watts, which means you'll achieve the maximum airflow you've been looking for from your vape tank. You'll also see great flavor and vape production.