The Fireluke 22 Tank utilizes Freemax COILTECH 4.0 with SS904L Mesh and Tea Fiber Cotton formula. With 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 both DTL and MTL vaping needs. The child resistant top fill design and leak-proof mechanism is also added to the tank for convenience and safety.