Plunger Seal Back Catalog number: CTS-2294 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11435 Seal, Needle PEEK™ Price on request CTS-10560 Seal Wash Plunger Seal, Alliance, 2/pk Price on request CTS-2962 Plunger Seal, Gold Price on request