The Tuf-Tite tank seal with the longer wiper is the Tuf-Tite TS-4Pro Tank Seal. This product is an enhanced version of the original, designed for a more robust seal in demanding underground conditions. 

Features:

Design: A one-piece design that is easy to install in both precast and field applications.

Wiper: Features a new, extended wiper designed for a stronger, more reliable seal within the concrete tank pipe opening.

Performance: Capable of holding a 10-inch vacuum, providing proven performance under pressure and ensuring a watertight connection for inlet and outlet pipes.

Standards: Engineered to exceed ASTM 1227 standards for performance and reliability in septic system applications.

Durability: The flexible design maintains its integrity during normal ground settling and shifting, offering long-term durability in demanding underground environments.