The Tuf-Tite 16" x 16" Square Box Lid is a durable cover made of high-density polyethylene, designed for use with Tuf-Tite B4 Series distribution boxes and risers. 

Features:

Dimensions: The lid is 16 inches by 16 inches.

Material: It is manufactured from injection-molded, UV-stabilized, and non-corrosive high-density polyethylene (HDPE) for exceptional strength and long-lasting durability in septic environments.

Design: The lid features a ribbed construction for added rigidity and structural integrity.

Compatibility: It is specifically designed to interlock with the Tuf-Tite B4 Series boxes and accompanying 6-inch stackable risers.

Seal: The lids are designed to create a tight, watertight seal to prevent water and debris from entering the system.

Security: The lid is typically secured with stainless steel screws to ensure safety and prevent unauthorized access.

Variations: The lid is available in a standard solid version and also with an inspection port or as a grate.