SKU 89-3008-R12-NG
The PolyLok 3008-R12-NG is a 24 in. x 12 in. septic tank riser made from rugged high-density polyethylene that provides a durable, watertight and airtight extension to bring your access point up toward finish grade. Its design includes internal structural ribs to help resist frost adhesion and maintain shape while still allowing easy vacuum or water testing of the tank. This riser is stackable with other PolyLok riser components and accommodates standard 24 in. covers and accessories for a customizable installation.