The SMOK TFV18 Coil is a replacement coil for the SMOK TFV18 line. It comes in two resistances: 0.33 ohm for 80 to 140 watts, and 0.15 ohm for 80 to 120 watts.
Both are made for higher-wattage, sub-ohm setups.
It suits anyone who already runs a TFV18 and wants to keep a spare coil ready.