Injector Dynamics at https://www.carid.com/ :
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Electronic fuel injectors are built to precise dimensions, measured in microns. The smallest of particles can increase wear, or even destroy a fuel injector. Bosch provides a specification for protection of electronic fuel injectors, which is a minimum capture efficiency of 87% at 5 microns, and 100% capture efficiency at 35 microns. This means that the filter will capture at least 87% of all particles 5 microns and larger, and 100% of all particles 35 micron and larger. The filter element in the ID F750 meets that specification, and does so without undue flow restriction.
Performance Fuel System Parts at CARiD.com:
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