Priming Syringe Needle Back Catalog number: CTS-5559 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-1010T O-Ring, TFE Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request CTS-21264 Uncoated Needle Kit Price on request