6" Quick Drain Riser, Mid Adjustable | Agri Drain This 18" collar fits on

This 18" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

it works with smoothwall pipe or Corrugated HDPE Drainage Pipe and uses durable 1/16" gum rubber with a wooden frame

Its 6' height and 12-gauge galvanized construction make it a practical long-term support post for field marker sign installations

Its low-velocity design resists plugging and slows water flow

Flexible Fernco coupling for secure drainage pipe connections between 10" PVC and 8" PVC

6" Quick Drain Riser, Mid Adjustable | Agri Drain This 18" collar fits onAdjust intake height in the field with this 6" Quick Drain Riser, Mid Adjustable. The two piece twist style section adjusts from 28"40" and fits Precision 6" tees and top sections with no cutting required.