4" x 18" Green Water Quality Inlet | Agri Drain This molded-cap top uses 1"

This molded-cap top uses 1" holes

Durable PVC tape with strong grip and stretch for long-lasting performance and watertight drainage connections

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

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

Special-sized to slide inside your 10" Hickenbottom Intake

4" x 18" Green Water Quality Inlet | Agri Drain This molded-cap top uses 1"Agri 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.