Risers – For septic tanks. Stackable in 6″ and 12″ increments. Available in 12″, 16″, 20″ and 24″ diameters.
12″ Tall Risers
- 12×12-RIS-GREEN Round Riser – 12″ diameter Available in Green only.
- 16×12-RIS-GREEN Round Riser – 16″ diameter Available in Green only.
- 20×12-RIS-GREEN Round Riser – 20″ diameter Available in Green only.
- 24×12-RIS-GREEN Round Riser – 24″ diameter Available in Green only.