A complete drainage system of 4-in. pipe and fittings, the Flex-Drain will flex, stretch, and bend to hold in virtually any shape. It is made using no-break copolymers from virgin grade polypropylene. This allows for a thinner wall, a lighter weight product, and a solid pipe with no weak points. Flex-Drain. 800-257-1722. www.flex-drain.com
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