How to choose cartomizer?

Here goes a cartomizer shopping guide for your reference.

With this diagram, even if you are a newbie to cartomizer, you can find your own suitable one. You can follow these steps below.

First, decide which threading you want
Second, choose the resistance you prefer
Then, go to the right capacity you like,
Fourthly, select whether you want e-juice visible or invisible
And finally, find out the exact cartomizer from the picture below.