Survey Marking Flags: 100-pack Red (2.5" x 3.5") | Agri Drain This 8" collar fits on

This 8" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

Designed to slide inside 4" I

25" to 17" and is built for durable outlet protection on PVC and Corrugated Metal Pipe (CMP)

Zinc dichromate-plated steel resists corrosion and installs inside 15" I

Survey Marking Flags: 100-pack Red (2.5" x 3.5") | Agri Drain This 8" collar fits onWork faster and with more confidence in the field with these Survey Marking Flags: 100 pack Red (2. 5" x 3. 5"). Built on 21" steel wire, they are a practical choice for surveying, landscaping, underground utilities, sewers, tile lines, and field layouts.