The atomizer coils are crafted with quartz for a crystal clean purest and smooth experience. Rapid heating, get huge clean hits with QDC (Quartz Dual Coil) technology.
The ceramic donut coil that Yocan provide are all ceramic, no glues. It provides with nice flavorful hits and smooth clouds, dry hit preventing. Oil lasts longer during use, concentrate saving. Your economic atty choice with 6-12 months long lifetime.