Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10963 Gold Plunger Seal Price on request CTS-21469 250 μL Syringe, High Pressure Price on request 228-35146-00ASP Plunger Seal for Shimadzu Price on request