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What's new in air filters

Published Monday, December 01, 1997

Radial seal technology gains in popularity. A diesel engine needs two things to operate efficiently -- clean fuel and clean air. When trucks equipped with Donaldson Corp.'s RadialSeal air filters first rolled into maintenance facilities two and one-half years ago, it's not unlikely that a cheer went up from the shop floor. Not just because the new design proved to be totally leak free (that level of performance had been expected), but because radial sealing made heavy-duty air-intake systems much easier to service. Before the arrival of radial seals, the heavy-duty industry worked almost exclusively with axial seal ...

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