Polylok 12"x3" Septic Tank Riser (PN: 3017-R3)

The Polylok 12"x3" riser comes with a factory installed gasket and can be stacked on top of each other. There are screw holes on the inside of the riser to attach it to a Polylok distribution box, Polylok catch basin, or another Polylok riser of the same diameter. Includes four screws (#10x1-1/2” stainless steel square drive) Highest UV-Ray Protection on the market today