Piston Seal Wash Seal/Priming Valve Seal Back Catalog number: 11-2587 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21469 250 μL Syringe, High Pressure Price on request CTS-0720 Inlet Check Valve Assembly Price on request CTS-10839 Seal Pack Rebuild Kit Price on request