... adavantage:1) changeable tank system CE5, newest model2) compatible for ego, ego-t, ego-w, ego-c, ego-t with led, ego-t with lcd, 510, 812 battery ... .Perfect fit for popular model tank series e cig. such as eGo T,eGo-C,eGo-W,eGo T LED,eGo T LCD and so on.2.Clearomizer ... tank system, easy refill,easy clean3.Great Vapor,New ...