GT4 meshed;
0.15ohm, 50-75w.
The Vaporesso GT4 Meshed coils are ideal for any vaper who prefers large amounts of vapour from their e-cig. With a dual core 0.15ohm resistance, the GT4 Meshed coils are suited to higher wattage use and are also compatible with high VG e-liquid thanks to the large wicking holes present.
GT CCELL 
0.5ohm, 20-35W
NRG GT Core Coil by Vaporesso is designed for NRG/ NRG SE tanks. It is also Compatible with Eleaf ELLO Tanks and SMOK Baby and Big Baby Beast Tanks. GT CCELL is a 0.5ohm Ceramic coil with best performance at 20-35W.