Plunger Seal, Black Back Catalog number: CTS-20612 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10560 Seal Wash Plunger Seal, Alliance, 2/pk Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request 11-3883 Needle Assembly Price on request