The Yocan Cyclo Coils are made with ceramic and DE materials making them the ideal heating element when consuming wax concentrates. C4-DE stands for ceramic and diatomaceous earth coil, which compared to traditional heating elements, can deliver users’ favorite extracts in as fast as 3 seconds with pure flavours for an unparalleled vaping experience. With an open cup-like structure, the Yocan Cyclo Coil allows better airflow.