F921® aboveground storage tank is manufactured with a double-wall steel design. Standard features include built-in, testable, interstitial monitoring capability and impermeable secondary containment. The F921® delivers uncompromising performance, reliability, service and economy.
F921® is available from a large network of STI Licensed Manufacturers • www.steeltank.com
F921® is available from an extensive group of Steel Tank Institute fabricators who participate in the STI Quality Assurance Program.
Under the program, independent quality control inspectors make unannounced visits to STI members, ensuring fabrication to the highest possible standards.