Survey Marking Flags: 100-pack Fluorescent Lime Green (4" x 5") | Agri Drain This 6" collar fits on

This 6" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

This low-profile 42" grate fits on the outside of Corrugated HDPE Drainage Pipe and is oversized to accommodate varying pipe ODs

This 36" collar fits on the outside of PVC or Corrugated Metal Pipe (CMP) and holds the grate flush inside the collar

and field layouts

Corrugated Metal Pipe (CMP)

Survey Marking Flags: 100-pack Fluorescent Lime Green (4" x 5") | Agri Drain This 6" collar fits onWork faster and with more confidence in the field with these Survey Marking Flags: 100 pack Fluorescent Lime Green (4" x 5"). Built on 36" steel wire, they are a practical choice for surveying, landscaping, underground utilities, sewers, tile lines, and field layouts.