Trusty, reliable, and easy-to-install Yocan Regen replacement quartz coils. Using quartz rods wrapped around premium-quality coils, unleashing your concentrate's true flavor. The Quartz Dual Coil provides you with the purest experience, guarantees a crystal clean and smooth essence. However, if you are looking for giant clouds and hits, the QTC (Quartz Triple Coil) is a deal for cloud chasers which is not always easy to come by. The package includes five replacement coils. Features & specs. Double-coil or triple-coil options Quartz High-Quality Coils Package of 5 Compatible with the Yocan Regen What's in the box. 1x Yocan Regen - Replacement Quartz Coil (5pk)