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Find out exactly what particulate challenges are facing your turbine with our filter analysis service.

Filter Analysis Service Donaldson's lab analysis can help you discover exactly the condition of your filters. Just send us filters from your system (1 element from a TTD or a pair from a GDX or GDS) after they’ve been operation for at least 2 years, and we'll send back filter media analysis and change recommendations to enable you to increase turbine output. Call us for details. In North & South America: filterinfo@mail.donaldson.com