Polylok 3009-R 20" x 6" Septic Distribution Box, Catch Basin, or Septic Tank Riser
Replace broken or cracked tank risers on your concrete septic tank with the Polylok 3009-R 20” x 6” riser. The riser is constructed of durable HDPE to withstand the corrosive gases present in septic environments, so you can expect many years of worry-free service. This riser is compatible with the Polylok distribution box.
Note: For best results, the use of the Polylok 3009-AR tank riser adapter ring is recommended when installing plastic risers on concrete risers or tanks.
Specs and Features:
- Stainless steel installation screws are included
- Risers are stackable
- Every riser has a gasket to provide a leak-proof seal between each riser
- It has structural ribs molded on the inside to eliminate worries of frost
- A frost ring on the bottom makes it easy to cast on concrete tanks
- Removable frost ring
- Constructed of durable HDPE
- 20” diameter x 6” high