The Vaporesso GTi Coils are compatible with the Vaporesso iTank and come in three resistance types: 0.15 ohms, 0.2 ohms, and 0.4 ohms. You get a DTL (Direct to Lung) vape from a mesh lattice coil structure. Use 70% VG for best results.Features:Coil Resistance: 0.15 ohms, 0.2 ohms, 0.4 ohmsCoil Types: MeshPack Size: 5 PackVape Style: DTLWattage: 50-90Contents:5 x Vaporesso GTi CoilsCompatible with:Vaporesso Gen 80 S Kit, Vaporesso Target 100 Kit, Vaporesso Target 200 KitWe recommend to use with:Shortfill E-Liquids