Uwell Crown 3 Replacement Coils (4-Pack)The Crown 3 coil system has been optimized for the perfect balance of vapor and flavor production. Adopting a Parallel coil structure along with a convenient plug-pull mechanism for a fast and easy replacement process.  0.25ohm :· SUS316 Parallel Coil· Wattage Output Range: 80W - 90W 0.5ohm :· SUS316 Parallel Coil· Wattage Output Range: 70W - 80W 0.4ohm :· A1 Kanthal coil· Wattage Output Range: 55W - 65W 0.23ohm :· UN2 Mesh· Wattage Output Range: 60W - 70W