Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-3332 100μL Syringe for WPS-3000 Series Price on request CTS-5746 Reference Valve Rebuild Kit Price on request CTS-11265 Kit S200 Standard Pump Seals Price on request