The Tuf-Tite 16" x 12" Tall Round Riser is a heavy-duty septic tank component used to extend tank openings to the surface for easier inspection and pumping. It is specifically designed to provide 12 inches of vertical clearance. 

Features:

Dimensions: Features a 16-inch diameter and stands 12 inches tall.

Material: Constructed from injection-molded High-Density Polyethylene (HDPE) that is UV-resistant and built to withstand long-term soil contact without corrosion.

Stackable Design: Interlocking edges allow multiple units to be stacked in 6-inch and 12-inch increments for customized height configurations.

Watertight Seal: Engineered to create a secure, watertight connection when used with compatible Tuf-Tite components.

Compatibility: Designed to fit Tuf-Tite 16-inch adapter rings, safety pans, and domed or flat lids.

Installation: Lightweight design (approximately 4.1 lbs) ensures easy handling and installation on both new and existing systems.