The Yocan NYX Coils QDC Quartz Dual Coil is a high-quality replacement coil for the Yocan NYX Wax Atomizer. It offers a clean and smooth vaping experience and is easy to use and maintain. If you are looking for a cost-effective and reliable solution for your vaping needs, the Yocan NYX Coils QDC Quartz Dual Coil is definitely worth considering.