18" Tall Housing for EF-4

The Tuf-Tite® TB-4-18 is an extended 18-inch sanitary tee housing designed specifically for deeper septic tank applications. It serves as the heavy-duty enclosure for the EF-4 filter, providing an extra 4 inches of length over the standard model to ensure proper effluent reach and flow management.

Features:

Extended 18" Rise: Specifically designed for deeper tanks or applications requiring a longer vertical reach.

Universal Fit: Compatible with 4" Schedule 40 and SDR 35 piping systems.

High-Volume Filtration: Houses the EF-4 filter to provide 86 ft. of 1/16" filtration for systems up to 800 GPD.

Certified Reliability: Fully compliant with ANSI/NSF Standard 46 for solids reduction.

Dual Function: Engineered to perform as both an inlet and outlet tee for maximum system versatility.

Rugged Construction: Injection-molded from corrosion-resistant materials for long-term underground durability.

Expandable: Compatible with the SD-4 Solids Deflector for enhanced protection against sludge migration.