100% Original Authentic Yocan NYX Ceramic Donut Coils For Yocan NYX Wax Atomizer E Cigarette Replacement Coils. High quality and long lasting coils, the NYX Ceramic coils heat up quickly and its ceramic donuts allows for a clean tasty hit with big vapor.1 x pack of replaceable ceramic donut coils (5pcs/pkg). Note that Yocan coils are NOT all compatible or interchangeable between different models.