ACQUITY H-Class Filter Assy, 22 µL,Waters,205000731 Back Catalog number: CTS-21196 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11123 SS Primary Inlet Check Valve Filter,Waters,289003547 Price on request 11-1604 Line Filter Frit,Thermo Scientific,00950-30009 Price on request CTS-11116 Filter, Air, ACQUITY Pump,Waters,700002632 Price on request