Flow rates                         Nominal retention rates (80%) 1, 3, 5, 10, 25, 50, 75, 100, 125 and 150 µm     Deliverable cartridge lengths 9 3/4", 10", 19 1/2", 20", 29 1/4", 30"   Overview brochure PDF-DOWNLOAD . The flow rate against the differential pressure with pure water for all  Micro-KleanTMRB micron rates!  Suitable filter housings Profit from our long-standing experience with the interpretation of filter systems! We lay out your filter according to economic and economic criteria free of charge.