General Aviation. Direct & Unfiltered.

DONALDSON TO DISPLAY FILTRATION SOLUTIONS FOR AEROSPACE AT EAA AIRVENTURE

MINNEAPOLIS, MN – July 23, 2010 – Donaldson Aerospace & Defense, a division of Donaldson Company, Inc. (NYSE: DCI), will have a strong presence at the upcoming EAA AirVenture Fly-In Convention in Oshkosh, WI, July 26 – August 1, 2010. The group’s growing product line for aviation includes air and liquid filtration solutions.

Donaldson will be located in Booth #1110 in Hangar A, and plans to display their latest products for general aviation, business jet and commercial aircraft.

A sampling of products on display at EAA AirVenture includes:

AIR INTAKE FILTERS FOR PISTON ENGINE AIRCRAFT
For piston engine aircraft, Donaldson provides a line of dry media filters that reduce component wear, improve performance and lengthen engine life. Dry synthetic media offers quick and easy maintenance, without messy oil. These filters also deliver:

• Higher efficiency – increased engine protection
• Longer life - 500 flight hours, three years of service or five cleanings - whichever comes first
• Exceptional wet weather performance
• No oil servicing procedure, replacement or movable parts
• Only air filters to meet FAR 23.853 - flammability requirement

ENVIRONMENTAL CONTROL SYSTEMS (ECS)
Donaldson provides chemical and particulate filtration for crew and cabin environments.

Donaldson High Efficiency Particulate Air (HEPA) filters meet and exceed OEM specification for aerosol particulate removal. They also trap dust, lint, pollen, smoke, bacteria, viruses, spores and other contaminants.

Chemical filters remove many chemical irritants found on aircraft. Donaldson’s latest advancement is an Air Purification System™ (APS) technology, which combines a HEPA filter with a chemical filter, removing particulate, gaseous irritants and odors from the air.

ENGINE LIQUID FILTERS
Today’s aircraft engines are built to stringent specifications and extremely fine tolerances. Donaldson has been delivering innovative liquid filtration systems and parts for more than 30 years. Their complete line of filtration systems includes:

• Main engine systems – fuel, oil and lube
• Hydraulic systems – pressure, return, case drain, flight controls and thrust reverse
• Coolant systems
• Auxiliary power units – fuel and oil

To learn more about Donaldson Aerospace & Defense, visit www.donaldson.aero or contact us at 1-866-323-0394.

EDITOR’S NOTE: To obtain high-res photos of the products highlighted in this news release, please contact Rod Radosevich at (952) 703-4571 or rod.radosevich@donaldson.com.

About Donaldson Aerospace & Defense

Donaldson Aerospace & Defense is a leading worldwide provider of filtration systems for the aerospace and defense industry. Our filtration solutions protect fixed wing aircraft, rotorcraft, military ground vehicles, electronic equipment, space vehicles, missiles, military shipboard systems, and amphibious vehicles. We are committed to advancing filtration technology, providing quality products and prompt customer service. Our group serves customers from sales, engineering, and manufacturing locations around the world.

About Donaldson Company

Donaldson is a leading worldwide provider of filtration systems that improve people's lives, enhance our customers' equipment performance, and protect our environment. We are a technology-driven company committed to satisfying our customers' needs for filtration solutions through innovative research and development, application expertise, and global presence. Our employees contribute to the company's success by supporting our customers at our more than 100 sales, manufacturing, and distribution locations around the world.

Donaldson is a member of the S&P MidCap 400 and Russell 1000 indices, and our shares trade on the NYSE under the symbol DCI. Additional information is available at www.donaldson.com.

FOR IMMEDIATE RELEASE:
Friday, July 23, 2010

FOR MORE INFORMATION;
Rod Radosevich
(952)703-4571


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More: www.donaldson.aero


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