Uwell Crown 2 Replacement CoilUwell Crown 2 Replacement Coil Please select your resistance level and quantity from the drop down menu. The Uwell Crown 2 Replacement Coil introduces the new Crown 2 Bullet Coil design, featuring a conical shaped base designed to simultaneously maximize surface to surface contact with the 510 connection for conductivity while improving airflow passage from the exterior into the coil chamber itself. The sloped design efficiently guides airflow into