Ill stick with synthetic media. I find it hard to believe that metal that is used for "screening" is better at"filtering." Of course its going to flow better. It doesn't filter, it screens the oil.
I could use the material you'd find on your window screens as an air filter for my bike, but I like to take care of my bike.
I'm goig to take a guess that jets us SS filters cause they need to last and the fluid is under a ton of pressure.
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