This isn't a cartomizer design. It is just a three piece ecig. You can find wicking material but It's not a stuffed cart. It employs a polyfill ring with regard to the thickness of a small nylon washer. maybe about 2mm thick. The poly washer rests on a small flange 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