The SMOK TFV4 Replacement Coil Heads are patented and designed specifically for use with the revolutionary SMOK TFV4 sub-ohm vape tank. These replacement vape coil heads are available in two varieties, a .2 ohms triple coil and a .15 ohms quad coil design. Both varieties allow for generous airflow and are wicked with pure organic cotton for clean taste and efficient wicking. The SMOK TFV4 Replacement Coils Heads keep your TFV4 vape tank producing plumes of rich, smooth, flavorful vapor. TFT3: Unlike any other vape coil design seen before, TFT3's three independently housed vertical coils provide efficient heat dissipation and unparalleled flavor. The TFT3 is available in .2 ohms resistance and intended for use between 30 watts and 130 watts.