No.1 SMOK TFV12 Prince Tank
TFV12 Prince Tank uses convex glass tube with 8ml large e-juice capacity. It includes three newest & carefully modulated coils: the Prince Q4, X6 and T10, all of which have huge cloud and extremely dense flavor. It also has newly designed crown-style body and colorful Cobra resin drip tip.
Recommend coils: tfv12 prince replacement coil

No.2 SMOK TFV12 Cloud Beast King Tank
TFV12 has grown to be unprecedented strong and wild, with a 27mm chest, it comes with the ever biggest & cloud-chasing coil heads: the V12-T12 (Twelve Coils) and V12-X4(quadruple coils) and V12-Q4 (quadruple coils), which definitely makes it to be the cloud beast king for the year 2017. Tfv12 tank works great with other smok mods.
Recommend coils: tfv12 replacement coils

No.3 Horizon Arco 2 Tank
Horizon Arco 2 sub ohm tank features a large 5ml e-juice capacity to satisfy your daily needed. The 3-layer-liquid-guiding system will bring you the amazing flavor. There are the vacuum-plated colorful glass tube and resin drip tip included in the package. 6 colors for option.
Recommend coils: horizon arco 2 coils

No.4 Vandy Vape Bonza Rda
Vandy vape bonza rda is a bottom feeding dripping atomizer. It feature 24mm in diameter and with the gold-plated fixed screw clamp post building deck. And the Bonza RDA 24 compatible with both 810 drip tip and 510 drip tip. With the concentrated side air-flow system, it brings you the dense flavor.

No.5 Uwell Crown 3 Sub Ohm Tank
The Uwell Crown 3 tank is constructed of the highesst quailty food grade stainless steel. It features a quartz glass tank that has a capacity of 5ml and canbe refilled form either the top or the bottom. The Crown 3 sub ohm tank features an adjustable airflow contol ring allowing you set the draw preference of your choice.
Recommend coils: uwell crown 3 replacement coils

Here I just write 5 tanks which is best selling in vapesourcing, if you have other best tanks you have used, please write in the comments.