Since 2016, an Ohio-based activated carbon producer has trusted the S-22 Stoner Separator to deliver unmatched precision and purity. This year, they added their fourth unit — same model, same specifications, same confidence.

In a world rushing toward automation and complexity, the S-22 stands proudly apart. Its mechanical design, manual adjustments, and straightforward operation aren’t a thing of the past — they’re the reason it keeps performing year after year. There are no screens, no software, no unnecessary electronics — just a machine built to run, to last, and to let skilled operators stay in control.

While others rely on buttons, we rely on proven engineering. While others automate, we simplify — because reliability doesn’t need to be reinvented.

Four machines. One design. Nearly a decade of trust. That’s the S-22 — built on simplicity, powered by performance, and chosen by those who know that real precision is still hands-on.