Flex-Drain 4"x21" Polypropylene Connector. It expands up to 21" to connect 3" & 4" corrugated pipe & 4" PVC. It creates any angle or turn and expands to reach pipes that have been cut short. It is an excellent repair piece for damaged sections of pipe. It is suitable for non-potable water applications.

• 4 in. x 4 in.
• Made of polypropylene
• Expands up to 21 in. to connect 3 in. & 4 in. corrugated pipe & 4 in. PVC.
• Creates any angle or turn
• Expands to reach pipes that have been cut short.
• Excellent repair piece for damaged sections of pipe.
• Suitable for non-potable water applications.