21" Yellow Bar Guard | Agri Drain This 42" collar fits on

This 42" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

this riser has 3 1/2' of 1" holes at 24 holes per foot for increased open area and intake flow

This 12" collar fits on the outside of PVC or Corrugated Metal Pipe (CMP) and holds the grate flush inside the collar

uses high-density polyethylene construction

can be trimmed for dual-wall pipe systems

21" Yellow Bar Guard | Agri Drain This 42" collar fits onHelp eliminate plugged inlets and protect pond tubes from rodent entry with this 21" Yellow Bar Guard. Designed to slide inside 21" I. D. pipe, it fights debris to keep intakes flowing freely and supports reliable water management.