4" x 4" Clay-Clay Coupling | Agri Drain This 18" version fits on

This 18" version fits on the outside of Corrugated HDPE Drainage Pipe and is intended for heavier-duty surface conditions

Zinc dichromate-plated steel resists corrosion and installs inside 12" I

it fights debris to keep intakes flowing freely and supports reliable water management

This 36" tall Section 2 piece uses 5/16" holes

snaps together with other Hickenbottom components

4" x 4" Clay-Clay Coupling | Agri Drain This 18" version fits onFlexible Fernco coupling for secure drainage pipe connections between 4" clay and 4" clay. Tough, flexible PVC construction helps create a reliable, leak proof seal and accommodate slight OD variation for easier installation.