Inlet Check Valve Back Catalog number: CTS-A102 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4126 Plunger Seal and Back Up Ring Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request