The Vaporesso GT Cores - GT2 0.4Ω Coils are for use with the NRG tank which is also manufactured by Vaporesso which comes included in the Revenger Mini Kit and Revenger Kit

Contents
1 x Pack of 3 Vaporesso GT Cores

Features
Suitable for : NRG Tank
0.4Ω Clapton Coils
Working Wattage: 40W - 80W
Recommended Wattage: 55W - 65W