Polylok 20" x 6" Septic Tank Riser
- This model has been replaced with part number: 3009-NG as of 2021
- Accepts Polylok 20" Riser Safety Screens
- Made of high density polyethylene which won’t shatter
- Structural ribs inside prevent frost from adhering to the riser in frost prone areas
- Made in the USA
- Riser gasket sold separate (Part Number: 3009-HR)
Our risers hold their shape, are stackable, screw together, and are water and airtight. Structural ribs inside prevent frost from adhering to the riser in frost prone areas.