Does a cartomizer have an open end on it. I thought it was like a refilled cart and has a place for filler material. How could you use a t-tip on the end of this I quess I am a little confused. I have never used a cartomizer.
Martha,
For example:
http://www.e-cigarette-forum.com/fo...n-someone-explain-cartomizers.html#post867292
and for refilling if you're interested....
http://www.e-cigarette-forum.com/forum/new-members-forum/22848-cartomizers.html#post864489
click on the links in the quote.