FreeMax Fireluke Mesh Pro Tank Coils Kanthal Single Mesh :· 0.15ohm / 40 - 70w Recommended Wattage Range Kanthal SS316L Single Mesh :· 0.12ohm / 400w - 550w Recommended Wattage Range Kanthal Double Mesh :· 0.2ohm / 60w - 90w Recommended Wattage Range Kanthal Triple Mesh :· 0.15ohm / 80w - 110w Recommended Wattage Range Kanthal Quad Mesh :· 0.15ohm / 80w - 120w Recommended Wattage Range