dezlpwr
Thread starter
Yeah I'm guessing three weeks from now I'll get the Blackstone report.At least ISO cleanliness 4406 standards are the proper way to measure particle counts & I think it's neat you're running this filter along with a Fram for comparison. We may not know the 100% true efficiencies of either but we could try to put one together, loosely, based on your PC results between each filter for your use case. Has it been 3 weeks yet... .