It's not a cartomizer product. It is a three piece ecig. There is wicking materials but It's not at all a stuffed cart. It works by using a polyfill ring concerning the thickness of a little nylon washer. maybe about 2mm thick. The poly washer rests on a small flange https://elektronick-cigarety31986.wikicorrespondent.com/6006589/top_latest_five_electronic_cigarette_urban_news