Donaldson’s Aerospace & Defense business unit is a leading worldwide provider of filtration systems for the aerospace and defense industry. Its filtration solutions protect fixed-wing aircraft, rotorcraft, military ground vehicles, electronic equipment, space vehicles, missiles, military shipboard systems and amphibious vehicles. Donaldson, committed to advancing filtration technology and providing quality products and prompt customer service, serves customers from its many sales, engineering and manufacturing locations around the world. For more information, visit www.donaldsonaerospace-defense.com.