These punched dual coil cartomizers have 2 or 3 holes and a shelf on the bottom to prevent the tank from slipping down the base of your cartomizer. They are intended for use in tanks. They come in 1.5ohm, 2ohm, 2.5ohm and 3ohm resistance (use drop down menu below to select resistance).
If you are not sure what resistance you need, please call before placing your order. 516 399 0606.
To prevent burning in dual coil cartomizers they should be used between 3.7 volts and 4.2 volts