Inlet Check Valve Back Catalog number: CTS-A159 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21564 Needle, Uncoated 10 Series Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request