Electric Eel offers four drain-cleaning machine models that feature auto cable feed that advances and retrieves cable with the push of a lever. Cable guides keep hands off rotating cable for added safety. Open cages allow quick cable inspection and cleaning. The Model RF cleans 3- to 6-inch-diameter lines and runs either 5/8- or ¾-inch diameter Tri-Max inner core cable in lengths up to 100 feet. The Model Z5-AF features newly designed auto feed and cleans 1 ¼- to 3-inch lines up to 100 feet. It runs ½-inch galvanized aircraft wire inner core cable. The model E-AF features newly designed auto feed and cleans 1 ¼-inch to 3-inch lines up to 75 feet. The Model CT cleans ¾-inch to 2 ½-inch lines up to 50 feet. Its variable-speed motor feature gives operator maximum control.