As an industry expert in drainage solutions, Normandy offers the C1064 Corrugated 6" x 4" Reducing Coupler for seamless transition from 4" to 6" corrugated pipes. Made from high-quality materials, it ensures efficient water flow and provides a long-lasting solution for your drainage needs.

Corrugated 6 in. x 4 in. Polyethylene Slip Snap Reducing Coupler. 
Used to transition 4" corrugated to 6" corrugated pipe.
Order 8 for case.