The latest replacement sub-ohm coils by Vapmod are specifically designed to increase versatility to the Vapmod Xtank 3.0 and Xtank 4.0. The addition of Kanthal Wire creates superior conductivity in a safe manner, capable of firing down to 0.2ohm and rated for use between 90 to 130 watts. In addition, these advanced atomizers are constructed with adjustable juice holes and Japanese Organic Cotton, allowing you to dictate wick exposure and juice flow into the coil, for a more precise airflow control and clean robust taste of your favorite e-juice!Vapemod Xtank Replacement Coil Features:Resistance: 0.2ohmWattage Range: 90 -130WPrebuilt with 100% Japanese Organic Cotton Kanthal WireStainless Steel ConstructionCompatibility:Xtank 3.0Xtank 3.1Xtank 4.0Includes:5 Vapemod Xtank Replacement CoilsThis product is for advanced user only! Please have a great understanding and technical knowledge on how to use this product in order to properly use it.Warning: These coils are for a Sub-Ohm resistance atomizer and only work on mechanical mod or devices that can handle Sub-Ohm resistance of 0.5ohm or lower. Please make sure you have a great understanding and technical knowledge on how to use mods and batteries that can handle Sub-Ohm coils. Do not use short or flat 510 connection on any hybrid or hybrid style device. If you are not familiar or unsure of particular products or set-ups, please do not use it. Always use proper precautions and handling.