18" Heavy Traffic Grate Collar | Agri Drain It fits outlet ODs from

It fits outlet ODs from 21" to 23" and is built for durable outlet protection on large PVC and Corrugated Metal Pipe (CMP)

This 40" tall section snaps together with other Hickenbottom components

Zinc dichromate-plated steel resists corrosion and installs inside 21" I

This 15" collar fits on the outside of PVC or Corrugated Metal Pipe (CMP) and holds the grate flush inside the collar

18" Heavy Traffic Grate Collar | Agri Drain It fits outlet ODs fromHeavy steel traffic grate collar designed for traffic areas while protecting drainage intakes and improving water flow. This 18" collar fits on the outside of PVC or Corrugated Metal Pipe (CMP) and holds the grate flush inside the collar.