SS Primary Inlet Check Valve Filter,Waters,289003547 Back Catalog number: CTS-A11123 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 15-04-05261 EXP2 Filter Cartridge, 3mm, 0.5µm, 5/pk Price on request CTS-10919-5 2μm Precolumn Filter Insert, 5/pk,Waters,WAT005139 Price on request 15-04-05501 EXP2 Pre-Column Holder and (3) Filter Cartridges, 0.2μm Price on request