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 15-04-05263 EXP2 Filter Cartridge, 3mm, 0.2µm, 5/pk Price on request CTS-11116 Filter, Air, ACQUITY Pump,Waters,700002632 Price on request CTS-11415 SS Filter Frit Replacement Cartridge, 2/pk,Waters,700002913 Price on request