The Yocan Pandon delivers a big blast with the 4 (FOUR) coils via Double barreled quartz dual coils (QDC). Features: QUAD Quartz Dual Coil (QDC) Technology. The same QDC Tech you know and love, only if you doubled it. - Consume to strains at once! - These coils will deliver HUGE, CLEAN, and FLAVORFUL clouds of vapor. - Get the most out of your favorite concentrates! QDC's are made with medicinal grade ceramic and quartz. This combination creates for much cleaner vapor clouds when compare....