Fireluke 22 Tank, CRC Version, utilizes FM COILTECH4.0 with SS904L Mesh and Tea Fiber Cotton formula. With 0.25ohm & 0.5ohm DTL Mesh Coil and 1.0ohm & 1.5ohm MTL Mesh Coil, it’s compatible with both freebase as well as salt nicotine e-liquids for DTL, RDL and MTL vaping needs.