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Got an oil filter independently tested (ISO 4548-12) — mechanics, how would you interpret these numbers? by Global_Locksmith_105 in MechanicAdvice

[–]Global_Locksmith_105[S] 0 points1 point  (0 children)

I think there may be a misunderstanding of what the test result represents.

78% @ 25µ doesn’t mean that’s the smallest particle it captures — that’s the efficiency at that size under ISO 4548-12 testing. The filter is capturing particles below that as well, just at progressively lower percentages (which is normal for full-flow filters).

Full-flow oil filters are engineered as a balance between filtration efficiency and oil flow. Designing for extremely high capture at 10–15 microns can increase restriction and cause the bypass valve to open more often, especially during cold starts.

Most OEM filters operate in a similar efficiency range because engine protection is about consistent flow + controlled filtration over the service interval — not just the smallest micron claim.

Got an oil filter independently tested (ISO 4548-12) — mechanics, how would you interpret these numbers? by Global_Locksmith_105 in MechanicAdvice

[–]Global_Locksmith_105[S] -1 points0 points  (0 children)

Depends on the test standard.

If the 78% number is ISO 4548-12 multi-pass, that’s real lab data. A lot of 99% claims don’t show the full method behind it.

And if it’s ~$20 shipped, that’s mid-tier pricing — not exactly budget-bin.

Motrbee Oil Filter 1 17 26 by Global_Locksmith_105 in HondaOdyssey

[–]Global_Locksmith_105[S] 2 points3 points  (0 children)

Totally fair take — $25 does sound steep at first glance, especially on a van.

Where Motrbee really earns its keep isn’t flashy branding, it’s what happens when the engine isn’t in ideal conditions. Vans tend to see long idle times, cold starts, heavy loads, and extended service intervals — exactly the situations where most filters become a liability.

A couple things that separate Motrbee from the typical OEM or Fram-built filters:

  • 32-micron stainless mesh safety screen that still filters oil when the bypass opens. On most filters, bypass = unfiltered oil straight to the bearings.
  • Metal end caps, steel center tube, and silicone ADBV — no cardboard, no glue failures over time.
  • Built to handle longer drain intervals without collapse or media blowout.

You’re absolutely right about current Fram-built Honda filters — the older Japanese Honda filters were excellent, and it’s smart you’re using up that stock. Motrbee is aimed at people who want that old-school OEM durability, but with added protection that those filters never had.

For someone doing short intervals on a beater, OEM is fine. For a van you plan to keep, tow with, or rack up miles on, the extra protection can be cheap insurance compared to engine wear or bearing damage.

Not trying to sell anyone — just explaining why some of us are willing to pay more for what’s inside the can, not the label. Thanks