This is simply not a cartomizer product. It is a 3 piece ecig. There's wicking content but It's not necessarily a stuffed cart. It takes advantage of a polyfill ring concerning the thickness of a small nylon washer. perhaps about 2mm thick. The poly washer rests on a small flange https://elektronick-cigarety20874.wikidank.com/1177889/the_greatest_guide_to_vyhody_elektronicke_cigarety