SS Primary Inlet Check Valve Filter Kit, 2/pk,Waters,700002912 Back Catalog number: CTS-A11123-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 15-04-05497 EXP2 Pre-Column Holder and (3) Filter Cartridges, 2μm Price on request 15-04-05262 EXP2 Filter Cartridge, 3mm, 0.5µm, 10/pk Price on request 15-04-05242 EXP2 Pre-Column Filter Holder (Fittings Included, for use w/EXP2 Filter Cartridges) Price on request