
Donaldson Cathode Air Filtration Solutions for Hydrogen Fuel Cell Applications
Compact and designed with serviceability in mind, Donaldson offers 3 standard cathode air filter sizes with the option of customization.
Donaldson’s advanced fuel cell filters enable commercial vehicles to drive up to 300,000 km before needing a change,
ensuring superior engine protection and reduced maintenance costs.

FC3A08
Gross Power Fuel Cell: 5 -70 kW
Dimensions (DxL): 227 x 359 mm

FC3A09
Gross Power Fuel Cell: 60 - 140 kW
Dimensions (DxL): 267 x 433 mm

FC3A13
Gross Power Fuel Cell: 130 - 350 kW
Dimensions (DxL): 394 x 597 mm
Solving the Toughest Hydrogen Fuel Cell Challenges
Hydrogen fuel cells present unique challenges, from combating airborne contaminants to protecting application-specific proton exchange membranes.
Donaldson has been addressing these challenges since 2003, when we earned the world’s first patent for fuel cell filtration. Today, we continue to innovate with advanced solutions that enhance durability and performance for hydrogen fuel cell systems.
Tech Talk: Cathode Air Filtration
Discover how Donaldson’s cutting-edge filtration technology keeps hydrogen fuel cell vehicles running cleaner and longer—no matter the environment. In this exclusive tech talk, Alex Mottet, Research and Design Engineer, reveals why air filtration is critical to fuel cell performance and longevity.
Cathode Air Filtration for Hydrogen PEM Fuel Cells
Donaldson’s latest white paper explores how our innovative cathode air filter technology protects fuel cell stacks from harmful contaminants—ensuring optimal performance in even the toughest environments.

Donaldson is a proud sponsor of the Forze Hydrogen racing team. Together, Forze and Donaldson are shaping the future of clean, high-performance motorsports. Learn how Donaldson's fuel cell air filters and water separator solutions are powering the fastest hydrogen race cars in the world!

Sign up now for exclusive updates and expert insights into the latest in hydrogen fuel cell technology from Donaldson
2025 Donaldson Company, Inc. All Rights Reserved | Privacy Notice | Manage preferences