This is not a cartomizer design. It is just a 3 piece ecig. There may be wicking substance but It's not at all a stuffed cart. It works by using a polyfill ring concerning the thickness of a little nylon washer. possibly about 2mm thick. The poly washer rests on https://electronic-cigarette09753.wikikali.com/1098171/rumored_buzz_on_elektronické_cigarety_pro_zacatecniky