4" x 18" Green Water Quality Inlet | Agri Drain This low-profile 8" grate fits

This low-profile 8" grate fits on the outside of Corrugated HDPE Drainage Pipe and is oversized to accommodate varying pipe ODs

This 24" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

This 24" version fits on the outside of Corrugated HDPE Drainage Pipe and is intended for heavier-duty surface conditions

Help keep pipe from being washed out with this 3' x 3' Anti-Seep Collar

This 18" version fits on the outside of PVC or Corrugated Metal Pipe (CMP) and is intended for heavier-duty surface conditions

4" x 18" Green Water Quality Inlet | Agri Drain This low-profile 8" grate fitsAgri Drains 4" x 18" Green Water Quality Inlet is a specialized sediment control intake designed to replace standard inlets in farm fields, ditches, dry dams, and terraces. Its low velocity design resists plugging and slows water flow, allowing sediment to settle and debris to be filtered out before entering the drainage system.