Dryer Vent Vac Attachment makes it a snap to remove excess lint from your clothes dryer. Just attach to your vacuum cleaner hose and slide into lint screen vent to suction out years of lint buildup. Thin, flexible plastic tube reaches and cleans deep into lint trap. Keeps dryer free of obstructions, reduces fire risk and extends dryer life. Improves dryer efficiency and lowers energy costs, too. 40" L.