These OXVA Unicoil 0.3ohm RDL coils are designed for use with the Origin X, Origin Mini, Origin SE, Origin 2, and Velocity LE devices. They feature KA1 mesh with a resistance of 0.3 ohms and are suitable for power ranges between 30-40W. These coils are intended for use with e-liquids containing nicotine levels of 6mg or less.