4" Steel Grate Collar | Agri Drain this riser has 4' of

this riser has 4' of 1" holes at 24 holes per foot for increased inlet open area in deeper applications

This 24" version fits on the outside of PVC or Corrugated Metal Pipe (CMP) and is intended for heavier-duty surface conditions

Designed to slide inside 10" I

Zinc dichromate-plated steel resists corrosion and installs inside 42" I

4" Steel Grate Collar | Agri Drain this riser has 4' ofHeavy steel grate collar designed to protect drainage intakes and improve water flow. This 4" collar fits on the outside of PVC, Corrugated Metal Pipe (CMP), or Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar.