PM Kit, 1290 Binary Pump Back Catalog number: CTS-21421 Availability: In the manufacturer's stock Price on request - + Recommended CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request CTS-A11145 Tube Assy, System Outlet, SDS Price on request CTS-A126 Outlet Check Valve Assembly Price on request