ISO testing with a bit of history

[jimmyjamesndt]

I found this pdf written in 2003, thought I would link it here before it might disappear, it's a good read.

https://www.fram.com/media/wysiwyg/resources/consumer_tech_docs/fluidfilterrating.pdf

 

[GW.]

Thanks! Some good info

 

[ZeeOSix]

A world wide accepted oil filter industry efficiency test standard used for 26 years that people don't understand or believe.