UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21085 Rotor Seal, 6 port, -COH Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-10942 Rotor Seal Price on request