UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10475-1 Sapphire Plunger Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request