SMOK TFV18 Replacement Coils are compatible with SMOK TFV18 Sub-Ohm Tank and introduce single mesh or dual mesh wire and different resistances. TFV18 Single Mesh Coils of c0.33ohm resistance (rated for 80W-140W) stands for mild flavor, while dual mesh coils of 0.15ohm resistance (rated for 80W-140W) provide dense vapor thanks to the speedy heating option and the best taste. SMOK TFV18 RBA coils are sold separately. Press-fit Coil Installation makes the coil replacement easier and more fun.