Z06,
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You didn't answer my question.
That's funny coming from you! What about these questions:
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Z06,
What's the difference between ISO 16889 and ISO 4845-12?
Also, why did you never respond to ISO55000's post/question to you?
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You go do some research on the efficiency ratings of all those high class commercila heavy-duty oil filters you're using on that equipment and you'll see they are very high efficiency.
LOL! MANY of those "high class commercial" oil filters you reference cross to many automotive, gasoline applications as well.
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I already deciphered the beta ratios printed on that oil filter can you posted earlier. 99.5% @ 19 microns is very high efficiency.
Before that can be trusted you need to answer the question you ignored: What's the difference between ISO 16889 and ISO 4845-12?
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So why do you suppose they aren't 50% @ 20 microns? ...
From what I know from experience and from what I learned reading these threads and the links provided, I believe (and this is just my opinion) that WIX, exactly like BP/Castrol, simply list industry minimum or standard. Can't be sued for that and they're free to design change without the hassle of updating their website everyday to appease fanatical fanboys. It was you that said your secret lab tested the media at 95+ or whatever it was. I don't see you getting all riled up over Castrol's useless online PDS but you are not a fanboy of Castrol. Yet you are locked in to this 50% at 20 micron thing but have no verifiable proof.
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because filters that bad wouldn't protect that equipment very well. You missed the whole point and are only focused on trying to stomp on guys who use the Ultra ... another "fanboy" move. LoL
Wow, talk about contradictory! WIX filters are installed on engines and equipment that cost more than you will make in your entire working lifetime. They protect very well under obscene conditions. I never see Fram on these things, ever.
You will never find me saying a bad word about the Ultra. In fact, I've said it appears to be a fine filter. I base that opinion on things other than it's online, posted efficiency rating. I don't care who uses what or why. The only design flaw around here is your methodology.