30" Steel Hinged Flap Gate for PVC, CMP | 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

where an included steel rod helps secure the guard while allowing debris to pass

Heavy steel grate collar designed to protect drainage intakes and improve water flow

This 42" tall section includes a built-in restrictor

Help keep damaging water out of drainage systems with this 6" heavy duty hinged flap gate

30" Steel Hinged Flap Gate for PVC, CMP | Agri Drain This 12" collar fits onHelp keep damaging water out of drainage systems with this 30" steel hinged flap gate. It fits outlet ODs from 30" to 32" and is designed for PVC and Corrugated Metal Pipe (CMP).