Was reading filter reviews on the WM site and had to share this one. Apparently the Fram Ultras are so efficient that they will filter down to the size of an oil molecule
All four must work at Jiffy Lube.
"After we tried to get our mechanic to use this filter we talked with three different mechanics and they all said the same thing. This filter is so well made that the screening does not allow enough oil to filter through and thus it is an ineffective filter. It has too much filtering and it will not clean the oil! We took it back to Walmart."

All four must work at Jiffy Lube.
"After we tried to get our mechanic to use this filter we talked with three different mechanics and they all said the same thing. This filter is so well made that the screening does not allow enough oil to filter through and thus it is an ineffective filter. It has too much filtering and it will not clean the oil! We took it back to Walmart."
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