This quartz dual coil delivers an unmatched vapor experience, producing delicious satisfying sessions. Creating a clean and pure sensation everything, the Evolve Plus XL Quad Coil is powerful and performance enhancing. The coil features four quartz rod coil and vertical orientation. The two coils work together in a single atomizer which allows the coil to heat up quicker. Perfect for cloud chasers, the Evolve Plus XL Quad Coil by Yocan is the perfect accessory for your collection.