Features
- Manufactured from High Impact Polystyrene (HIPS).
- UV stabilized to protect from sun degradation.
- Use to extend height on 9″ Square Catch Basins.
- Installs directly on to top of 9″ Square Catch Basin and extends height by 6″.
- Multiple risers can be stacked on top of each other to achieve desired height.
- Made in the USA.