Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21280 Lamp, ACQUITY Arc/UPLC PDA Performance Maintenance Price on request CTS-11367 Piston, Low Pressure Price on request CTS-10686 Needle Seal, Vespel® Price on request