Sub Ohm Devices provide the next level of ecig experience. These devices are designed to bring out the best flavour and vapour of your e-liquids. The Sub Ohm tanks in this catagory use low resistance Sub Ohm coils. Sub Ohm devices are for more advanced users. Due to their high efficiency design, We advise you to use e-liquid with lower nicotine strength when using Sub Ohm tanks. Generally, you should use half of what you are used to on smaller devices.