12" Steel Grate Collar | Agri Drain has a 42" closed height

has a 42" closed height and 72" fully extended height

Help keep damaging water out of drainage systems with this 24" heavy duty hinged flap gate

and is a strong fit where durable surface-water collection is needed

This 15" version fits on the outside of PVC or Corrugated Metal Pipe (CMP) and is intended for heavier-duty surface conditions

and field layout with this 20' Rectangular Fiberglass Survey Rod in inches

12" Steel Grate Collar | Agri Drain has a 42" closed heightHeavy steel grate collar designed to protect drainage intakes and improve water flow. This 12" collar fits on the outside of PVC or Corrugated Metal Pipe (CMP) and holds the grate flush inside the collar.