Unbranded 20 in. x 6 in. Polylok Riser Green

The PolyLok 3009-NG is a 20 in. x 6 in. high-density polyethylene septic tank riser that provides a durable, watertight, and airtight extension to bring your access point closer to finish grade. Its rugged construction includes internal structural ribs that help prevent frost adhesion and allows easy vacuum or water testing of the tank. This riser is stackable with other PolyLok components and works with standard 20 in. covers and accessories for a flexible, customizable installation.

• Designed to extend access openings for easy water testing
• Made of high-density polyethylene to ensure durability
• Internal structural ribs resist frost adhesion and soil pressure