This isn't a cartomizer product. It is a 3 piece ecig. There may be wicking product but it is not a stuffed cart. It uses a polyfill ring about the thickness of a small nylon washer. it's possible about 2mm thick. The poly washer rests on a small flange on https://andrehuek29639.bloginwi.com/66273378/elektronick%C3%A9-cigarety-budoucnost-kou%C5%99en%C3%AD-nebo-nebezpe%C4%8D%C3%AD-pro-zdrav%C3%AD