What is inside a - Napa ProSelect 21515 oil filter

An autopsy of a Napa ProSelect 21515 oil filter. Please note that MLM "dealers" promoting their products here will be banned/blocked. Vulgar comments will be removed. Feel free to discuss this, and other automotive topics at http://xfactorauto.proboards.com Feel free to discuss this, and other automotive topics at http://xfactorauto.proboards.com

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What is inside a - Napa Gold 1515 oil filter
An autopsy of a Napa Gold 1515 oil filter. Please note that MLM "dealers" promoting their products here will be banned/blocked. Vulgar comments will be removed. Feel free to discuss this, and other automotive topics at http://xfactorauto.proboards.com





Napa proselect oil filter
Oil filter has 3000 miles on it.





fram vs napa
i cut open some oil filters, the drain back valve on the fram probably doesn't seal to the filtering part well.





9 OIL FILTERS CUT AWAY ( LOOK INSIDE)
JUST LOOKING AT THE DIFFERENCE OF FILTER MEDIA AND COMPONENTS IN SIDE A FEW FILTERS




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