3M Betapure AU Series Filter Cartridge Absolute Rated AU20L11KB Polyolefin 20 in. 90 Micron Code 3 Single O-Ring with Polypropylene Snap Ring Fluorocarbon O-Ring 15 per case.

We offer the Betapure(TM) AU Series Filter Cartridge in various grades for absolute reduction ratings. The controlled pore size of the filter matrix provides absolute distinction between cartridge grades for accurate and consistent filtration. Our filter design provides precise contaminant reduction, consistent effluent quality and superior on-stream service life for a wide-range of applications.