The Custard Shoppe Salt Nicotine Salt eLiquid Butterscotch is compatible with any non-sub-ohm device. But we highly recommend using it with a refillable pod system. The Custard Shoppe Salt is a nicotine salt infused e-Liquid formulated for pod systems and other similar low power devices. Not recommended for use with RDA's or sub-ohm tanks and devices. The Custard Shoppe Salt Nicotine Salt eLiquid Butterscotch in your tank today!