Inlet Check Valve Back Catalog number: CTS-21147 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11151 Needle Assembly, PEEK™ Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request