4" Steel Grate Collar | Agri Drain It fits outlet ODs from

It fits outlet ODs from 15

Made from straw fibers stitch-bonded to netting

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

Help eliminate plugged inlets by keeping out big chunks of debris with this 18" Heavy Duty Black Bar Guard

This 15" version fits on the outside of Corrugated HDPE Drainage Pipe and is intended for heavier-duty surface conditions

4" Steel Grate Collar | Agri Drain It fits outlet ODs fromHeavy 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.