Please select your quantity and type from the drop down menu. The Yocan Evolve Plus replacement coils come in two forms, a Quartz Dual Coil Replacement Coil and a Ceramic Donut Coil. The Dual Coil is crafted with Quartz instead of traditional fiber wick for the purest experience. The Ceramic Donut Coil provides nice flavorful hits with smooth clouds. Sold in a pack of 5.