Filter, GPV, 4/pk,Waters,700005173 Back Catalog number: CTS-A11344 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11123 SS Primary Inlet Check Valve Filter,Waters,289003547 Price on request CTS-A033 Check Valve Filter Replacement Kit,Beckman,240619 Price on request CTS-A11316 Suction Filter, Stainless Improved,Shimadzu,228-45707-91 Price on request