This bad boy comes from a long line of innovative products from SMOK. Constructed from stainless steel, the TFV12 Cloud Beast King Duodenary Coils T12 3pk are wicked with pure Japanese organic cotton and features massive wicking channels for enormous, flavorful vapor clouds. These coils have a 0.12 ohm resistance and employs a duodenary core cylinder all to help deliver superior amount of vapor production. The TFV12 Cloud Beast King Duodenary Coils T12 3pk has an operational wattage range of 60W to 350W, with a recommended range of 130W to 200W. Coming in a pack of three, the TFV12 Cloud Beast King Duodenary Coils T12 3pk by SMOK successfully redefines what sub-ohm tank systems are capable of.