UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21566 PM Kit, Seal Wash for Binary Pump G4204A Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-A145 Inlet Check Valve Price on request