6" x 18" Green Water Quality Inlet | Agri Drain they use a 5" x

they use a 5" x 6" polyethylene flag on a 23" steel wire staff for surveying

and it stays permanently charged so it never loses magnetism

Heavy steel traffic grate built extra strong for traffic areas while protecting drainage intakes and improving water flow

Prevent rodents and other pests from plugging drainage systems with this 24" Band-Type Rodent Guard

snaps together with other Hickenbottom components

6" x 18" Green Water Quality Inlet | Agri Drain they use a 5" xAgri Drains 6" 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.