4 in. x 20 ft. Perforated Pipe with Sock

20ft expandable Slotted with Sock pipe can easily bend and work around any outdoor obstacles. Is perfect for groundwater drainage such as French drain systems. Polyester sock prevents clogging of the slots to allow use in areas where soil or sand requires filtration. MOLE-Pipe lengths are approved for above and/or below ground applications. Pipe has spaced slits covered by a removable polyester sock; ideal for French drain in fine soil Expands to 20 feet in length Complete range of Twist and Seal drainage accessories sold separately. Includes 4 in. spigot adapter designed to connect to 4 in. standard corrugated pipe Compact design allows for ease of transportation and use To create a water-tight connection, apply RELN Part 000309 - 83 ml. Black Drainage Sealant to all pipe connections and assembly joints to ensure superior seal.