Originally Posted By: veryHeavy
Okay I called Fram & Mobil whose respective techs told me the Fram Ultra filter is:
99% at 25
98% at 20
50% at 10 (aka nominal)
Fram's website shows the Ultra at 99%+ at 20 microns or greater. So either the Fram tech you talked to doesn't know their own product (highly doubtful), or something go twisted up in translation.
Okay I called Fram & Mobil whose respective techs told me the Fram Ultra filter is:
99% at 25
98% at 20
50% at 10 (aka nominal)
Fram's website shows the Ultra at 99%+ at 20 microns or greater. So either the Fram tech you talked to doesn't know their own product (highly doubtful), or something go twisted up in translation.