UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-0620 Outlet Check Valve Cartridge Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request