Pump Seal, Black Back Catalog number: CTS-10394 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-11435 Seal, Needle PEEK™ Price on request CTS-10686 Needle Seal, Vespel® Price on request