Plunger Wash Seal Back Catalog number: CTS-10391 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3795 Sapphire Plunger w/Holder Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-10573 Injection Valve Rotor Seal Price on request