Just for grins, I wonder how often the oil is changed in the AJP application. If it's every few hundred miles or dozen hours, a screen door filter might be OK. If, on the other hand, you are going to go a couple thousand miles between changes I question the logic of a reusable filter. The reusable filters I have looked at only filter down to about 30 microns, the pleated paper filters frequently filter down to 3-5 microns.
Peter Y.
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