This 4 pack of Crown V3 Replacement Coils meant for the Uwell Crown V3 Tank are incredibly dynamic, innovative pieces of atomizer technology. Featuring a plug pull mechanism, parallel coil structure which allows for airflow to be directed right into the core and the addition of large wicking ports for speed and flavor recreation. The 0.25Ohm option is rated for between 80W and 90W and the 0.5Ohm option is rated for 70W and 80W.