Gutters act as a part of a rainwater drainage management system. Uncontrolled rainwater from the roof can damage your foundation, cause siding and wood rot and encourage interior mold and mildew. Sold in 10 ft. sections, aluminum leader carries water down and away from the roof and gutter. Use leaders along with elbows and pipe cleats as a part of a complete drainige system. - 2 in. x 3 in. Aluminum Leader - 10 ft. Section, White