The Uwell Crown III Coils are no nonsense atomizer heads for the Uwell Crown III Tank. Designed with the average vaper in mind, it has an easy-to-install Plug-Pull mechanism to replace them when you need to. You can either get the 0.5ohm resistance (graded for 70-80W), 0.4ohm resistance (graded for 55-65W) or 0.25ohm resistance (graded for 80-90W). These stainless steel coils also have massive wicking ports with pure organic cotton to help your juice get to the coil effortlessly. Ensure you're getting the best results from your Uwell Crown III Tank with Crown's official coils.