Introducing the Vortex by iFog! The Vortex is the only pen on the market that is cross compatible with every Yocan coil! Yes you heard that right. Evolve, Evolve Plus, Plus XL, Magneto, and the NYX are all cross compatible! Strong magnetic cap and storage, non-stick mouth piece, adjustable airflow, 3 heat settings, 3 quartz coils for no leaks or waste, powered by a massive battery.