Piston Seal Wash Seal/Priming Valve Seal Back Catalog number: 11-2587 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-10573 Injection Valve Rotor Seal Price on request 11-4133 Gold Plunger Seal Price on request