Can be used on Estoc Tank, Target Pro, ORC eGemini Tank atomizers (extra sleeve, sleeve), Drizzle Tank and Attitude Tank is required. Vaporesso Ceramic EUC (ECO Universal coil) is the ceramic coil that enhances the aroma in your atomizers, for a new and different experience of vapour. Can be used on Estoc Tank, Target Pro, ORC eGemini Tank atomizers (extra sleeve, sleeve), Drizzle Tank and Attitude Tank is required. Resistors are sold in packs of 5. Recommended Wattage Coil: Ceramic 0.5ohm SS316L (25 - 35W) Coil: Ceramic 0.6ohm (40-55W)