The Yocan Evolve Plus XL Coils uses Yocan’s quad coil technology to enhance your sessions' cloud production. The Yocan Evolve Plus XL Coils lean towards yielding vapors that have massive bodies and enormous visibility. Clouds that have extreme densities with thickness and viscosity that of real smoke. The secret lies in its four quartz rods wrapped in high-grade titanium coils. The Yocan Evolve Plus XL Coils is one cloud machine perfect for the Yocan Evolve Plus XL Vaporizer.