Plunger Seal Back Catalog number: CTS-10340 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-21262 Needle, Uncoated 20 Series Price on request