These genuine SMOK RPM Coils for the RPM40 Kit feature SMOK’s all new canthal mesh, standard, and triple parallel constructions with thread less installation. The 0.4 ohm RPM Mesh Coils feature a honeycombed mesh design, and are optimized for flavor seeking vapers. 0.4 ohm resistance Single Mesh Coil. Recommended Wattage: 25W. Price for one Coil only.