ADS 4" Internal Coupler

Advanced Drainage System

  • $12.99
    Unit price per 



4” internal couplings securely connect bundles of EZflow together by connecting the internal distribution piping.


Internal coupler. Made with high density polyethylene resin. Lightweight and flexible. For residential and commercial construction. Can be used for interior and exterior foundation drains, downspout run-off drains, low-spot drainage plus driveway and sidewalk underdrainage. Heavy-duty fittings. Snap together coupling. Size 4".