18" PVC Check Valve | Agri Drain This 12" collar fits on

This 12" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

Zinc dichromate-plated steel resists corrosion and installs inside 10" I

Flexible Fernco coupling for secure drainage pipe connections between 10" clay and 10" PVC

with an included rod helping secure the guard

Designed to slide inside 8" I

18" PVC Check Valve | Agri Drain This 12" collar fits onGet unique in ground, in line backwater protection for tile drainage systems and commercial applications with this 18" PVC Check Valve. It uses a rugged 1 2" thick PVC body, SDR35 PVC stubs, and reinforced hardware for durable gravity flow performance.