The Tuf-Tite B1-IP4 is a heavy-duty, square replacement lid for septic and drainage systems. Measuring 11″ x 11″, it features a convenient 4″ inspection hole for quick system monitoring without removing the entire cover. Made from durable High-Density Polyethylene (HDPE), it provides a secure, watertight seal for Tuf-Tite distribution boxes and drain sumps.
Features:
Integrated 4″ Access Hole: Allows for quick, non-invasive system inspections.
Universal Tuf-Tite B1 Fit: Compatible with all Tuf-Tite Series B1 11″ x 11″ distribution boxes, drop boxes, and risers.
Durable Material: Constructed from UV-stabilized, injection-molded HDPE for exceptional strength and chemical resistance.
Secure & Watertight: Interlocking design ensures a secure, stable, and weather-resistant seal.
Reinforced Structure: Ribbed underside provides added structural integrity and rigidity.
