I was browsing on O'reilly's website shortly ago and noticed beside the normal Champ Labs Microgard 7317 that is spec'd for my Civic there was another Microgard MGL57356 which has a Wix number and the filter's picture looked like a Wix as well. Thoughts? Shows a MGL51372 for my F-150, too. Says 95% efficient at 29 microns...
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