These tanks are supplied without reels so that a system best suited to the users needs can be built up.Multi-reel 3 - Takes up to three 35mm films, or two 120/220 films; Multi-reel 5 -Takes up to five 35mm films, or three 120/220 films; Multi-reel 8 - Takes up to eight 35mm films, or five 120/220 films.