Plunger Seal Back Catalog number: CTS-10340 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10583 Plunger Rinse Seal Price on request CTS-10323 Sapphire Plunger Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request