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 15-04-05258 EXP2 In-Line Filter Holder (Fittings Included, for use w/EXP2 Filter Cartridges) Price on request 11-1604 Line Filter Frit,Thermo Scientific,00950-30009 Price on request CTS-11115 Filter, Air, Pump Handle,Waters,700002633 Price on request