Needle Seal, PEEK™ SIL-20 Back Catalog number: CTS-11315 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21347 Plunger Seal Price on request 228-35146-00ASP Plunger Seal for Shimadzu Price on request CTS-10584 Ceramic Plunger Assembly Price on request