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Airborne dust causes diesel engine and aircraft engine wear and fouling. Air intake filtration reduces component wear, improves engine performance and lengthens engine life. Donaldson engine air intake filters for piston-powered aircraft remove dust from the air before it reaches the engine. Our filters can be designed in a variety of sizes and filter media choices to meet a wide range of applications. More details are available in our Product Literature and Application Overview sections.

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Barrier Filtration and Air Cleaners
Barrier filters like Vee-Pacs, round, Konepac™ conical and panel filters meet stringent efficiency, weight and space requirements. We have more than 50 years of experience designing and supplying barrier filters and air cleaners for aircraft and military vehicles requiring high performance filtration.
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Inertial Particle Separator Systems with Strata® Tubes
Air particle separators with Donaldson’s specially designed Strata tubes spin contaminants out of incoming air, providing reliable, low maintenance air filtration for every space requirement and performance level.
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Pulse Jet Air Cleaners (PJAC™)
PJAC is a self-cleaning filtration system for the most demanding environmental conditions giving you optimal reliability and reduced fuel consumption. The PJAC engine filtration system automatically cleans the filters, removing contaminants away from the engine.
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Pleated Media Filters for General Aviation
There are four kinds of light aircraft engine air intake filters on the market today: foam, cotton gauze, pleated paper (cellulose) and pleated synthetic media. Donaldson pleated media is better by a long shot. Why? The filter media fibers are engineered with specific properties, patterns and densities to trap more dirt while channeling optimal airflow. Learn more about the benefits of synthetic media!
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Diesel Engine Air Intake
In all kinds of operating environments, Donaldson air filtration technology protects engines, delivers longer filter life and gives you the confidence that comes with using the industry leader. Donaldson has pioneered the development of nearly every major advancement in heavy-duty engine air filtration since 1915. We set the standard for filtration performance. Check out the Diesel Engine Air Filtration section or Product Literature under Engine + Vehicles for more information.
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