Obs t-vct tank coils, 5pcs per pack. the 0.25ohm and 0.5ohm coil head made of kanthal vape wire and organic cotton, recommend works under variable wattage working mode, can fire up to 50watts, the NI200 0.25ohm coil head, made of nickel vape wire and organic cotton, recommend works under temp control mode, recommend works between 212 to 572 degree.
BTDC(0.25ohm, dual coil, 25-50watt)
0.25ohm NI200 coil head, 212-572 degree
BVC(0.5ohm, single coil, 10-35watt)