Over 50-year commitment to the global filtration industry

We Purify and Protect with Every Fiber, for a Sustainable World.  Our Filtration division develops and produces high-performance materials for transportation and for a wide range of air & liquid industrial filtration applications.

Electrification is now driving our future with Ahlstrom FiltEV®: a comprehensive range of filtration solutions for Electric Vehicles, and Ahlstrom FortiCell® LAB: our fiber-based solutions specifically designed for Lead Acid Batteries.