Yocan Evolve Replacement Quartz Dual Coil for Sale | Yocan ...
About Yocan Evolve Dual Quartz Coil. This device was intended for aromatherapy use only. Made for your favorite Yocan Evolve Vaporizer, the Yocan Evolve Dual Quartz Coil uses Yocan''s trademark quartz dual coil technology (QDC).Made from genuine quartz mineral, the Yocan Evolve Dual Quartz Coil is prized for its durability and efficiency.