Eleaf engineered new GT series coils. The GT atomizer heads feature a brand-new design which is thread-free and allows easy installing. Just insert! The GT M 0.6ohm head is constructed using the mesh of Kanthal, which is more suitable for high level output. The GT C 1.4ohm Head and Nicotine salt are absolutely the best partner, providing you the purest flavor. The GT 1.2ohm head is constructed using 1.2ohm NiCr Coil, which is more suitable for MTL vaping.