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. The quartz minerals used in every Yocan Evolve Dual Quartz Coil is extremely inert making it strong against thermal shock and against breakage. It’s pure and inert properties also allow the Yocan Evolve Dual Quartz Coil to preserve the qualities of your select concentrates allowing you to enjoy its benefits faster compared to the average quartz atomizer coil.