- Flex-A-Spout™ holds its shape! - Controlled drainage diverts water away from foundation. - Diverts water around trees, shrubs and decks. - Each interlocking section extends from 25" to 55". - Fits both 2"x3" and 3"x4" downspout elbows. - Connects to 4" black standard corrugated drain pipe. - Extend it - each Flex-A-Spout™ is interlocking. - Bury Flex-A-Spout™ for invisible installations. - Available in Green, White and Brown.