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Originally Posted by othafa
I'd be interested in the internal structure of the two filters. The external appearance could be deceptive. They could be similar or very different in filtering ability.
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You can't tell a thing about the filter's ability to do its job (filtering) by looking at the internal structure of a filter. There are several web sites that take apart oil filters and judge its usefulness as a filter dependent on what it looks like. Totally meaning less, but it is being taken as Gospel by a whole generation of "car guys"...
Unfortunately, no one is actually doing tests on the filter's ability to filter, flow rate, expected filtering ability as the mileage piles up, etc...
