This newest Tanko Clearomizer with exchangeable screw-on long wick and coil head, which will forward ejuice faster to the heating part than CE4 V2. The much better point is: its coil head can be used in Thor CE4 V3. Tanko also includes top cap, bottom cap, transparent tube are incredibly detachable. It is easy to assemble or disassemble them. Just screw on. Maintenance and cleaning become easy. The Tanko with the capacity of 2.0ml ejuice can support a whole day. Each kit comes with 3pcs coil heads of different resistance, which can fit on most batteries with 510/eGo threading from 3.2v to 6v.No leakage. Best Vapor. Unit: 1 kit Shipping weight:50g Color:Clear Threading:510/eGo Package: Solid Nice Mini Gift Box Each kit contains: 1pc 2.0ml Transparent Tanko tube 1pc Tanko Base 1pc 1.8ohm Coil Head 1pc 2.4ohm Coil Head 1pc 2.8ohm Coil head 1pc White Drip Tip Please note: * There is a mini hole on the top of coil head.The hole is for air flow. When you fill ejuice, please make sure that ejuice won't go into the hole. * All Drip Tips for 510/901 on our site can fit the clearomizer well. How to refill ejuice? * Please remove the metal top cap * Please drip ejuice to the tube * Ejuice level can NOT over the top of coil head, unless ejuice will flow into the hole of the coil head. * Put metal top cap back * Put a Drip Tip on the top cap * Vapor