The Tuf-Tite 16-inch Internal Safety Lid (often yellow) serves as a secondary protective barrier within a septic riser system. It is designed to prevent accidental falls into the tank if the primary outer lid is damaged or removed. Features:Secondary Safety: Provides a "fail-safe" layer of protection beneath the main 16" domed or flat lid.Concrete Ready: Features "Concrete Keepers" that allow the lid to be filled with concrete for added weight and security.Integrated Access Hole: Includes a center hole that allows for tank pump-outs or inspections without needing to remove the safety lid itself.Installation: Designed to sit on the internal ledges/tabs of a Tuf-Tite 16" riser and is secured with stainless steel screws into matching holes.Material: Made from high-density polyethylene (HDPE) or polypropylene, ensuring it is UV-resistant and non-corrosive.Compatibility: Specifically fits Tuf-Tite 16" diameter risers (e.g., TT-16-RIS)
