HomeHPLC Replacement PartsPEEK™ 5μm FilterPEEK™ 5μm Filter PEEK™ 5μm Filter Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB188 OEM Part 228-48607-91, Old # 228-32744-00 Models: LC-10AD, LC-10ADvp, LC-10ATvp, LC-20AD/AB, LC-20Ai, LC-20AT, LCMS-2020, LCMS-8030, LCMS-8040, LCMS-8045, LCMS-8050