Welcome , but the replaceable wick and coil for the Kanger T3 is one , that is inserted in the bottom of the tank . Where as the Kanger Evod , uses the smaller ( cheaper ) replacement head . The tank is smaller , but as said earlier , you would be wise to maybe use either of these devices with the 1.8 ohm , rater than the 2.4 . Good Luck . When you get ready to upgrade , try a Vamo . VV and Vw , reads the ohms on the device , as well as remaining battery power . If you can wait for a few weeks . There is a vendor ( name escapes me right now ) but I'm sure someone will come along and tell you . The SS Vamo , is only 29.00 ( from China ) that's the reason for the delay in getting it . Or you can but them , locally for around 50.00 . Then your 2.4's will work great . Good Luck .