The Tuf-Tite® B1-RL is a heavy-duty, 11" x 11" square solid lid designed for use with Tuf-Tite Series B1 distribution boxes, drop boxes, and risers. Injection-molded from premium high-density polyethylene (HDPE), this non-corrosive lid provides a secure, interlocking seal to protect septic and drainage systems from debris and external elements.

Features:

Universal Compatibility: Specifically engineered to fit Tuf-Tite 11x11 inch products, including the 4HD2 4-hole distribution box, drop boxes, and B1 series risers.

Interlocking Design: Features slotted sides that interlock directly with the distribution box to ensure a tight, secure fit.

Reinforced Strength: The heavy-duty HDPE construction is ribbed for added rigidity and exceptional strength in demanding underground environments.

Weather & Chemical Resistance: Manufactured from UV-stabilized, non-corrosive polymer that resists cracking, rust, and deterioration from soil or septic chemicals.

Lightweight Installation: Designed for easy manual installation or replacement without the need for a concrete slab.

Durable Build: Weighs approximately 1.25 lbs and is built to deliver a lifetime of trouble-free service in septic applications.

Product Specifications:

Dimensions: 11" x 11" square.

Material: High-Density Polyethylene (HDPE).

Color: Standard Black.