NDS EZflow Corrugated Pipe Internal Coupling 3 in. Black Poly

The NDS Internal Snap Coupling connects the EZ drain French drain to 4 in. S&D pipe or fitting. It is ideal for use in non-pressurized underground sewer and drainage applications. The UV-treated HDPE construction makes it resistant to fading and cracking. It meets ASTM standards and can be used with pop-up drainage emitters to discharge water at the point of release downstream. It features internal tabs to lock the corrugated drain pipe into place.